THE ENGINEERING METHOD FOR UNIFYING GROUND FLOOR SLAB SETTLEMENTS

Kestutis Urbonas, D. Sližytė, A. Šapalas
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Abstract

For industrial buildings and logistics centres truck lifts are usually used. Therefore, there are special requirements for flatness tolerance of ground floor. The ground floor settlements differences in selected distances are limited. The article reviews the behaviour of soils and the importance of the actual behaviour assessment of soils during the design of floor slab on elastic subgrade. Particular attention is given to the behaviour of floor slab areas above pile foundations that support the building’s columns. Calculation results show the impact of subgrade stiffness on the behaviour of the floor slab, especially in areas above pile foundations, where the stiffness of subgrade is much higher. The article presents a solution for achieving the required level of settlements’ differences in areas where pile foundations for the building’s columns under the ground slab are used. The paper proposes an efficient engineering method to reduce ground slab settlements differences. The results of performed calculations confirm the efficiency of presented method.
地面楼板沉降统一的工程方法
对于工业建筑和物流中心,通常使用卡车升降机。因此,对底层平面度公差有特殊要求。选定距离的底层沉降差异是有限的。本文综述了在弹性地基楼板设计过程中,土壤的性质以及土壤实际性质评估的重要性。特别注意支撑建筑物立柱的桩基上方楼板区域的性能。计算结果表明,路基刚度对楼板性能的影响,尤其是在桩基以上的区域,那里的路基刚度要高得多。本文提出了一种解决方案,用于在使用楼板下建筑柱桩基的区域实现所需的沉降水平差异。本文提出了一种有效的工程方法来减少底板沉降差异。计算结果证实了该方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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