Considering the obvious decrease of the pit bottom bounce capacity and differential settlement, the inverted construction method is widely used.

考虑到施工过程中对基坑底部回弹量和差异沉降量的明显减小，逆作法目前取得了较广泛的应用。

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Results show that exposure time of pit bottom soil affects notably the diaphragm wall displacement during the periods of both soil exposure and pit bottom construction.

本文就坑底土层局部加固对支护结构位移的影响效果和规律，结合工程实例，并从理论上进行了分析研究。

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The toothpicks will rest on the rim of the glass and hold the pit in place so it doesn’t sink to the bottom.

三根牙签搁在玻璃杯的边上固定住了核，让它就这样不会沉到底。

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The children apparently were trying to retrieve a small "child-like pickaxe" at the bottom of the sloped pit when the dirt wall collapsed on them before 6 p.m.

CNN: Searchers find bodies of children buried by wall of dirt

The bodies of Chloe Jade Arwood, 6, and her cousin James Levi Caldwell, 7, were found at the bottom of a 24-foot-deep pit on Monday morning, more than 12 hours after a wall of the pit collapsed on them behind a family member's home, authorities said.

CNN: Searchers find bodies of children buried by wall of dirt