摘要
钢筋混凝土半圆体结构在围埝工程和造陆工程中应用颇为成熟,因其自重较大,与周边原土地基长期作用形成较大吸附力,造成拆除已建半圆体结构的施工工艺较复杂。本文依托天津LNG接收终端项目取水口工程,结合该工程取水口布置方案,重点研究了水上钢筋混凝土半圆体的拆除及水下钢筋混凝土管涵的施工关键技术,经工程实施证明方案可靠,效果较好,可为类似工程提供参考。
Reinforced Concrete Semi-Circular Structure is very mature technique used in cofferdam and reclamation works. The large dead-weight of the structure, together with its high adsorption force from the long-term interaction with the surrounding original foundation, has caused great difficulties in the demolishment and removal of the structure. This article describes the study on the key techniques for the removal of the structure through on-water operations and for the construction of reinforced concrete culvert under water, as summarized from a practical work of water intake project of an LNG terminal in Tianjin. The techniques are proved reliable through application in engineering projects, and can provide reference for design of similar works.
出处
《港工技术》
2016年第B12期18-21,共4页
Port Engineering Technology
关键词
取水口
钢筋混凝土半圆体结构
钢筋混凝土管涵
water intake
reinforced concrete semi-circular structure
reinforced concrete culvert