DESIGN OF ANCHORED DIAPHRAGM WALL FOR DEEP EXCAVATION

Authors

  • Askar Zhussupbekov
  • Abdulla Omarov
  • Gulzhanat Tanyrbergenova

Keywords:

CPT, Diaphragm wall, Plaxis 2D, the CAD system

Abstract

High-rise buildings pose new challenges for engineers, especially in the field of calculations and design of above-ground structures, bases and foundations. Some consideration the anticipated responses to adjacent buildings during construction are presented. This will require the design professional to survey the condition of the adjacent properties to understand their present condition and fragility, establish acceptable limits, conduct soil-structure analyses of various support systems and develop limits on their respective movements, and develop a monitoring strategy. This paper shows the technology for support excavation structures as shoring system for 1000 mm thick diaphragm wall, which is supported with four layersofpre-stressed anchorages.The shoring system calculations had been designedby PLAXIS 2D, which can assess in very detail the deformations and settlements in the soil. The basement walls are a formed with reinforced concrete diaphragm wall panels, which are supported with ground anchors. The basement slab is to be a pile-supported raft, which is a made up of discrete sections to accommodate thermal and lateral movements.These numerical methods were a carried out within the investigation of the interaction of anchored diaphragm wall of high-rise buildings with soils in the problematic ground conditions of Astana.Recent advances in monitoring by using 3D laser-scanning technologies and acquiring quality information about built environments using embedded and other advanced sensors give to engineers a real picture of soil-structure interaction. This information is combined with the design model to create an integrated model, which is a dynamically updated during the construction period.

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Published

2019-06-29

How to Cite

Askar Zhussupbekov, Abdulla Omarov, & Gulzhanat Tanyrbergenova. (2019). DESIGN OF ANCHORED DIAPHRAGM WALL FOR DEEP EXCAVATION. GEOMATE Journal, 16(58), 139–144. Retrieved from https://geomatejournal.com/geomate/article/view/2729

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