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An investigation into Inclined Struts method as a type of shoring

机译：倾斜支撑方法作为一种支撑方式的研究

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摘要

Underpinning and shoring are two conventional forms of temporary supports given tothe buildings next to excavations. “Inclined Struts”, as a type of retaining structure which can be used tosupport buildings next to excavations, can be categorized as underpinning and shoring. In this method,some inclined struts connect the bottom of the excavation to the footing of adjacent buildings. Despite theexcessive use of the inclined struts in years, they have been poorly investigated. Herein, the most prevalentconstruction use of the “Inclined Struts” are simulated using 3 dimensional FDM and the excavationinduceddisplacements of buildings caused in each method are compared. The presented paper is in thecontinuation of a previous two dimensional study undertaken by the authors. The current study indicatesthat excavation-induced displacements of buildings considerably depend on the sequences of excavations.In case an excavation is done in three suggested stages, the least excavation-induced displacement willoccur. Indeed, the excavation is firstly done up to the final desired depth but a premital soil margin isremained next to the wall of the excavation. Afterwards, struts are installed and finally the excavation iscompleted. This paper also discusses the number, position and sequences of installation of struts whichresults in the least excavation-induced displacements.
机译：支撑和支撑是临时支撑的两种常规形式。 发掘旁的建筑物。 “倾斜支柱”，作为一种固定结构，可用于 开挖旁边的支撑建筑物可分为支撑和支撑两类。用这种方法 一些倾斜的支柱将开挖的底部连接到相邻建筑物的基础。尽管 多年来，过度使用倾斜支柱，对此进行了调查不足。在这里，最普遍 使用三维FDM模拟“斜撑”的施工使用，并进行开挖 比较了每种方法引起的建筑物位移。提出的论文在 作者进行的先前的二维研究的延续。目前的研究表明 开挖引起的建筑物位移很大程度上取决于开挖的顺序。 如果在建议的三个阶段进行开挖，开挖引起的位移最小 发生。确实，开挖首先要进行到最终所需的深度，但要保留一定的土壤余量 保持在挖掘墙的旁边。之后，安装支柱，最后进行挖掘 完全的。本文还讨论了支杆的数量，位置和安装顺序，其中 导致最小的挖掘诱发的位移。

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