Journal of Sustainable Civil Engineering and Technology最新文献_第2页

Flexural Behaviour of Two Ribbed SFRC Slab Reinforced with GFRP Bars GFRP筋加筋两肋板的抗弯性能

Journal of Sustainable Civil Engineering and Technology Pub Date : 2023-03-28 DOI: 10.24191/jscet.v2i1.22-35

A. Baharin, H. Ahmad, Muhammad Haziq Hizdrami

{"title":"Flexural Behaviour of Two Ribbed SFRC Slab Reinforced with GFRP Bars","authors":"A. Baharin, H. Ahmad, Muhammad Haziq Hizdrami","doi":"10.24191/jscet.v2i1.22-35","DOIUrl":"https://doi.org/10.24191/jscet.v2i1.22-35","url":null,"abstract":"This study presents the results of an experimental investigation on the application of steel fibres (SF) in combination with glass fibre reinforced polymer (GFRP) bars as the steel reinforcement replacement in a ribbed slab structure. The promising ability of steel fibre reinforced concrete (SFRC) to reduce the formation of cracks and increase the tensile strength of concrete has made it an attractive composite material for numerous civil construction applications. However, previous research had shown that the performance of the steel fibres on their own to replace steel reinforcements is still in doubt. Therefore, the GFRP bar is chosen due to its structural performance with flexural reinforcement with less weight and corrosion resistance. The influence of the steel fibres and GFRP bars on the two-ribbed slab flexural performance was investigated. Three (3) numbers of slab panels were cast, consisting of one solid SFRC slab (solid-SF), one SFRC ribbed slab (rib-SF), and one SFRC ribbed slab reinforced with GFRP bars (rib-SF-GFRP). All slab samples measuring 1000 mm x 1500 mm x 75 mm thickness were tested under bending and the results showed that the SFRC ribbed slab reinforced with GFRP (rib-SF-GFRP) is efficient in the flexural performance by exhibiting the highest first crack and ultimate load.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129264386","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Impact of Covid 19 and Construction Business Survival Strategies: A Review 新冠肺炎疫情对建筑企业生存策略的影响:综述

Journal of Sustainable Civil Engineering and Technology Pub Date : 2023-03-28 DOI: 10.24191/jscet.v2i1.1-7

Nur Hidayah Mohamed, Musmuliadi Kamaruding

{"title":"The Impact of Covid 19 and Construction Business Survival Strategies: A Review","authors":"Nur Hidayah Mohamed, Musmuliadi Kamaruding","doi":"10.24191/jscet.v2i1.1-7","DOIUrl":"https://doi.org/10.24191/jscet.v2i1.1-7","url":null,"abstract":"The outbreak of Covid-19 in late 2019 had a significant impact on all industries worldwide, including the construction business. This review paper aims to explore the impacts of Covid-19 on the construction business and to identify survival strategies for construction businesses during this pandemic. The study is based on selected articles to achieve its objectives. The review reveals several impacts of Covid-19 on the construction business survival, including financial difficulties, project delays, problems with material resources, and increased construction costs. To mitigate these impacts, several strategies have been identified that construction companies can adopt. These include adhering to guidelines from government authorities and the WHO, effective communication with customers, flexible human resource management, prioritizing technology, emphasizing health and safety aspects, being knowledgeable and prepared for the pandemic's impact, exploring new markets, and taking advantage of financial assistance provided by the government and banks. Ultimately, this study aims to provide beneficial insights to society, particularly for construction companies and researchers.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127304778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Supervisor’s Influence on Worker Safety in Construction Projects: A Case Study in Northern Region, Malaysia 建筑工程监理对工人安全的影响:以马来西亚北部地区为例

Journal of Sustainable Civil Engineering and Technology Pub Date : 2023-03-28 DOI: 10.24191/jscet.v2i1.8-21

Amirah Husna Abd Muien, S. Abdull Rahman, Fatin Najwa Mohd Nusa, Musmuliadi Kamaruding

{"title":"The Supervisor’s Influence on Worker Safety in Construction Projects: A Case Study in Northern Region, Malaysia","authors":"Amirah Husna Abd Muien, S. Abdull Rahman, Fatin Najwa Mohd Nusa, Musmuliadi Kamaruding","doi":"10.24191/jscet.v2i1.8-21","DOIUrl":"https://doi.org/10.24191/jscet.v2i1.8-21","url":null,"abstract":"Construction is one of the most hazardous businesses in the world, with countless accidents resulting in substantial loss of life and property damage. The fact that management conduct appears to be a key factor in workplace safety mishaps puts even more attention to the matter. The connection between managerial behaviors and workers’ safety in the construction industry has not been well studied or correctly characterized. This paper is aimed at discovering those management behaviors which can significantly impact workers’ safety in construction projects. The objectives of this study are to identify the dimensions of supervisory behavior related to workers’ safety, to determine the impacts of poor supervision on workers’ safety, and lastly to offer solutions to improve bad supervisory behavior to assure workers’ safety. A quantitative study was conducted by the distribution of questionnaires, with 142 respondents taken from construction employees from different contractor firms. They were selected from contractors’ companies registered under CIDB in three Northern states: Pulau Pinang, Kedah, and Perlis. The data were analyzed by using Statistical Package for the Social Science (SPSS). Normality, Validity, and Reliability Test with Cronbach’s Alpha Coefficient has been adopted in this research. The repercussions include delays in job progress, expenditure overruns, rework, and disruption of the project’s timeline and also to the productivity of the project. The impacts include delays in work progress, expense overruns, rework, mess with the project’s schedule, and also to the productivity of the project. Based on these findings, a supervisory effort to modify bad supervising behavior may assist to protect worker safety.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123495141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Study of Total Sediment Transport Characteristics at Kanching Forest Waterfall 康庆森林瀑布总输沙特征研究

Journal of Sustainable Civil Engineering and Technology Pub Date : 2023-03-28 DOI: 10.24191/jscet.v2i1.45-60

Siti Nur Khalila Zulkarnain, S. Abdullah, Shahrul Jainudin

{"title":"The Study of Total Sediment Transport Characteristics at Kanching Forest Waterfall","authors":"Siti Nur Khalila Zulkarnain, S. Abdullah, Shahrul Jainudin","doi":"10.24191/jscet.v2i1.45-60","DOIUrl":"https://doi.org/10.24191/jscet.v2i1.45-60","url":null,"abstract":"Families and environment enthusiasts frequently visit Kanching Rainforest Waterfall, also known as Kanching Recreational Forest. It is located nearby in the Rawang neighbourhood to the north of Kuala Lumpur and has an area of around 47,000 square metres. Due to its proximity to the city, the region has become a popular place for people to enjoy picnics, camping, swimming, and jungle walks during the holidays. The movement or discharge of water flow is closely related with sediment. Since a specific discharge is necessary to propel and carry particles of a particular weight or size along the pathways. In essence, sediment estimates are so crucial because rivers in Malaysia continue to fill reservoirs with river water for daily use. Sedimentation in reservoirs can reduce the amount of accessible water, hence restricting its application. In this study, the Hjulström graph were used to predict the sediments and particles flow distributions, and the correlation between particle size and particle mobility in the flows of rivers was determined at three (3) checkpoints to examine the sediments and particles flow distributions. According to the data obtained, Checkpoint 1 has a particle velocity of around 0.4703 N/s, or 40 grammes per second, whereas Checkpoint 2 has a velocity of roughly 1.534 N/s, or 156 grammes per second. Lastly, Checkpoint 3 lacks a full load transfer. In addition to preserving one of the region's leisure areas, the significance of complete load transit estimation will ensure its maintenance. By using this method, the estimation of the total load that may be eroded along the river by calculating the total transport load can be forecasted hence, provide a maintenance program toward the rehabilitation of the Kanching Recreational Forest.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-03-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133196886","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Health and Safety Practice during Covid-19: A Case of Siburan Clinic Construction Project 新冠肺炎期间的健康安全实践——以泗水诊所建设项目为例

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.1-7

Avon Janius, Musmuliadi Kamaruding

引用次数: 0

Monitoring Effects of Lockdown During Covid-19 Pandemic Towards the Air Pollution in Southeast Asia Covid-19大流行期间封锁对东南亚空气污染的监测效果

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.29-42

Nurul Fathimah Shamshudin, Nurul Rabitah Daud

{"title":"Monitoring Effects of Lockdown During Covid-19 Pandemic Towards the Air Pollution in Southeast Asia","authors":"Nurul Fathimah Shamshudin, Nurul Rabitah Daud","doi":"10.24191/jscet.v1v2.29-42","DOIUrl":"https://doi.org/10.24191/jscet.v1v2.29-42","url":null,"abstract":"This research explores one of the most serious environmental threats to human health which is air pollution. The objective of this study is to examine the concentration of several air pollutants that has been affecting the atmosphere specifically in Southeast Asia after the emergence of the pandemic. Throughout this research, the air pollution concentration is monitored using several observation satellites such as NASA GIOVANNI, Ozone Monitoring Instrument (OMI), and MODIS-Aqua to see the difference in air quality before and after the lockdown was implemented in the selected specific area. The average mean for the studied year of each selected pollutant was also observed to see the pattern of the air quality after the pandemic. Thailand and other northern Southeast Asian nations bordering China were found to be the most affected by transboundary pollution, which was brought on by the climatological changes that all Southeast Asian countries experienced. In addition, most Southeast Asian nations are regarded as developing countries that rely significantly on power produced by fossil fuels and individual transportation. Consequently, it significantly worsens the air pollution in the area. This study is significant as it allows the government to regulate the air quality in a specific region and it is important to monitor the air pollution in the atmosphere as it has a substantial impact on human health as well as the environment. By conducting this study, it can be seen that there are major positive changes in air quality in Southeast Asia as it is the result of the lockdown and lack of human activities in each countr","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133634219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Strength of Palm Oil Fly Ash (POFA) Incorporated with Sawdust in Concrete Pavement 棕榈油粉煤灰与木屑掺入混凝土路面的强度研究

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.43-49

Jamilah Abd Rahim, Nurul Faiizin Abdul Aziz, D. A. Tholibon, H. binti Mokhtar, M. H. Harun

{"title":"Strength of Palm Oil Fly Ash (POFA) Incorporated with Sawdust in Concrete Pavement","authors":"Jamilah Abd Rahim, Nurul Faiizin Abdul Aziz, D. A. Tholibon, H. binti Mokhtar, M. H. Harun","doi":"10.24191/jscet.v1v2.43-49","DOIUrl":"https://doi.org/10.24191/jscet.v1v2.43-49","url":null,"abstract":"Jengka is the largest FELDA in Malaysia located in the state of Pahang Darul Makmur. Jengka consists of 25 FELDA plans which are palm and rubber producers. The production of Palm Oil Fly Ash (POFA) is rising every year, it is disposed of in landfills, now becoming an important environmental disposal issue. The government needs to focus on assigning more hectares of land for disposal of these huge amounts of waste, and financial losses are also increased for transporting as well as maintenance purposes of these wastes. The pollution problem is increased in this sector which includes the annual production of 2.6 million tonnes of solid waste in the form of POFA. The large quantity of this waste can create an environmental problem if disposed of in the wrong way. However, reduction of dumped waste and environmental sustainability can be ensured by proper consumption or recycling of these materials. Therefore, this research innovation used waste material of POFA in a concrete mixture to produce eco pavement block. The compliance testing for the concrete mix was investigated. The optimal mix design proportion in order to increase the compressive strength, density and durability of POFA concrete was established. Mix proportion containing 5 % POFA mixtures exhibited substantially higher rates of strength gain as compared with other mixtures containing 10 % and 15 % of POFA. The workability of POFA concrete increases, thus, the permeability and bleeding in concrete decrease. Implementation of POFA waste not only decreases environmental damage but also saves concrete materials.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134512691","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Knowledge, Awareness and Behaviour among Malaysians towards the Impact of Climate Change: Case study in Klang Valley 马来西亚人对气候变化影响的知识、意识和行为:巴生谷个案研究

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.17-28

Syed Zainal Abidin Jamallulail Syed Abd. Aziz, N. Mohamad, Zuhaida Mohd Zaki, A. Amir

{"title":"Knowledge, Awareness and Behaviour among Malaysians towards the Impact of Climate Change: Case study in Klang Valley","authors":"Syed Zainal Abidin Jamallulail Syed Abd. Aziz, N. Mohamad, Zuhaida Mohd Zaki, A. Amir","doi":"10.24191/jscet.v1v2.17-28","DOIUrl":"https://doi.org/10.24191/jscet.v1v2.17-28","url":null,"abstract":"Public knowledge, awareness and behaviour on climate change are crucial to prevent climate change. This study investigates the level of knowledge, awareness and behaviour of Malaysian society on the impact of climate change (Case study in Klang Valley). Adopting a descriptive survey research design, a self-designed questionnaire entitled \"Climate Change Awareness” was conducted on a sample of 467 respondents from three (3) main groups (university students, public and government servants). Cronbach's alpha (α) for this study is 0.749, indicating an acceptable level of internal reliability of the scale with this specific sample. The finding indicates that most of the respondents have an average level of knowledge (41.22%) from different levels of education. The level of awareness and behaviour among the respondents was also very weak and fragile. Approximately 55.3% of respondents are not aware of the impact of climate change on the environment, economy and human health. Although the government has promoted its initiatives and policy regarding climate change, it cannot be presumed that the society is having a high level of knowledge awareness and behaviour about climate change. In addition, this study also measured the effectiveness of the national policy on climate change in Malaysian society. This study offers the decision makers some fundamental insights regarding public knowledge, awareness and behaviour towards climate change that could potentially assist in promoting responsive policies and strategies to reduce the impact of climate change.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128934243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Usage of Coal Fly Ash and Bottom Ash from Ash Ponds for Bricks and Precast Concrete Blocks – A Review 粉煤灰和灰池底灰在砖和预制混凝土砌块中的应用综述

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.50-62

H. Yusop, M. Suhatril, Mohamad Amirul Hafiz Abdul Hamid, Fetri Zainal, Md. Fauzan Kamal Md. Yapandi Md. Yapandi, N. A. Abbas

{"title":"Usage of Coal Fly Ash and Bottom Ash from Ash Ponds for Bricks and Precast Concrete Blocks – A Review","authors":"H. Yusop, M. Suhatril, Mohamad Amirul Hafiz Abdul Hamid, Fetri Zainal, Md. Fauzan Kamal Md. Yapandi Md. Yapandi, N. A. Abbas","doi":"10.24191/jscet.v1v2.50-62","DOIUrl":"https://doi.org/10.24191/jscet.v1v2.50-62","url":null,"abstract":"As larger amounts of coal are burned every day to produce electricity for a growing population, more coal ash is produced and stockpiled in large landfills and ash ponds. The ever-increasing stockpiles of unutilized Coal Fly Ash (CFA) and Bottom Ash (CBA) are a growing health and environmental concern. Studies have shown that communities living near ash ponds are subjected to an increased risk of respiratory illness, and the stockpiles can also potentially cause environmental pollution due to leachate. The potential utilization of CFA and CBA is to use them as natural aggregate substitutes for construction materials such as mortar, bricks and precast concrete. This paper aims to review recent studies on the usage of CFA and CBA in producing brick and precast concrete blocks, the changes in the properties of the CFA or CBA bricks and precast concrete blocks compared to control samples, as well as the effects of seawater intrusion into the concrete mix, which indicate the potential effects of using CFA and CBA stored in coastal ash ponds.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115244875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Behaviour of Earth Fill Dam under Earthquake Load Using Finite Element Method: A Case Study of Semenyih Dam 地震荷载作用下填土坝的有限元分析——以色门溪坝为例

Journal of Sustainable Civil Engineering and Technology Pub Date : 2022-09-30 DOI: 10.24191/jscet.v1v2.63-77

R. Ismail, A’in Fatin Najihah Akmat, A. Faisal, A. Ibrahim, A. Adnan, I. S. Ishak

{"title":"Behaviour of Earth Fill Dam under Earthquake Load Using Finite Element Method: A Case Study of Semenyih Dam","authors":"R. Ismail, A’in Fatin Najihah Akmat, A. Faisal, A. Ibrahim, A. Adnan, I. S. Ishak","doi":"10.24191/jscet.v1v2.63-77","DOIUrl":"https://doi.org/10.24191/jscet.v1v2.63-77","url":null,"abstract":"In this project, an earth-fill dam in Selangor which is Semenyih Dam, a major dam in the Klang Valley with a capacity of 60.6 million cubic metres, a height of 49 metres, and a crest length of reservoir embankment of 830 metres, is being used as a study subject. The Finite Element Method was used in this work to assess the stress and deformation of Semenyih Dam, an earth dam in Selangor that was resting under hydrostatic pressure. The second objective is to study the Semenyih dam’s seismic response due to the Ranau Earthquake loading. The analysis of the Semenyih Dam’s structural performance under historical seismic loading from the Ranau Earthquake with a peak ground acceleration of 0.013g was done using the LUSAS Modeller 14.3 software. As a result, it was discovered that the dam’s deformation and displacement caused by the Ranau earthquake with hydrostatic pressure was larger, at 5.33 mm, as opposed to 1.822 mm when there was no hydrostatic pressure. The dam’s deformation is different in the two scenarios. When the Ranau earthquake combined with hydrostatic pressure, the dam deformed significantly. From the bottom of the dam to the top, there was an increase in stress distribution. Both hydrostatic pressure and an earthquake would put further strain on the dam. Semenyih Dam’s maximum stress is 189.152 N/m2 (with hydrostatic pressure), 27.4948 N/m2 (without hydrostatic pressure), which are less than the silty clay’s 290 kN/m2 allowable stress capacity. According to the investigation, when a dam is subjected to a variety of loads and forces, the stress distribution within it increases.","PeriodicalId":194820,"journal":{"name":"Journal of Sustainable Civil Engineering and Technology","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116049830","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0