A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Underground diaphragm wall construction process
The invention relates to an underground diaphragm wall construction process, and relates to the technical field of building construction. The underground diaphragm wall construction process comprises the steps that positioning and paying-off are conducted, and the grooving position is determined; a high-pressure jet grouting process is adopted, high-pressure jet grouting piles are made along the two sides of the groove wall, the adjacent high-pressure jet grouting piles are engaged with each other, and two continuous groove protection piles are formed; grooving is conducted at the original soil surface paying-off position, and reinforced concrete guide wall construction is conducted; grooving construction is conducted in the guide wall direction, and sediment in a groove is removed; a reinforcement cage is hoisted and placed, and a guide pipe is installed; and concrete is poured into the formed groove; and the high-pressure jet grouting piles are located below a guide wall, and the height of the high-pressure jet grouting piles is suitable for the situation that the pile bottoms of the high-pressure jet grouting piles are located above an underground rock layer and the pile tops of the high-pressure jet grouting piles are located on the upper portion of an unfavorable geological layer. Before high-pressure jet grouting pile construction, karst grouting treatment is conducted on the lower portion of the wall bottom of an underground diaphragm wall. According to the underground diaphragm wall construction process, the grooving quality can be improved, and then the stability of the underground diaphragm wall is guaranteed.
本申请涉及一种地下连续墙施工工艺，涉及建筑施工技术领域，包括：定位放线，确定开槽位置；采用高压旋喷注浆工艺，沿槽壁的两侧作高压旋喷桩，相邻的高压旋喷桩相互咬合，形成两条连续的护槽桩；于原土面放线位置开槽，并作钢筋混凝土导墙施工；沿导墙走向进行成槽施工，并清出槽内的沉渣；吊放钢筋笼，并安装导管；以及向成槽内浇筑混凝土；其中，高压旋喷桩位于导墙的下方，高压旋喷桩的高度以其桩底位于地下岩石层的上方，桩顶位于不良地质层的上部为宜。高压旋喷桩施工前，应对地下连续墙墙底下方进行岩溶注浆处理。本申请能够提高成槽质量，进而保证地下连续墙的稳定性。
Underground diaphragm wall construction process
The invention relates to an underground diaphragm wall construction process, and relates to the technical field of building construction. The underground diaphragm wall construction process comprises the steps that positioning and paying-off are conducted, and the grooving position is determined; a high-pressure jet grouting process is adopted, high-pressure jet grouting piles are made along the two sides of the groove wall, the adjacent high-pressure jet grouting piles are engaged with each other, and two continuous groove protection piles are formed; grooving is conducted at the original soil surface paying-off position, and reinforced concrete guide wall construction is conducted; grooving construction is conducted in the guide wall direction, and sediment in a groove is removed; a reinforcement cage is hoisted and placed, and a guide pipe is installed; and concrete is poured into the formed groove; and the high-pressure jet grouting piles are located below a guide wall, and the height of the high-pressure jet grouting piles is suitable for the situation that the pile bottoms of the high-pressure jet grouting piles are located above an underground rock layer and the pile tops of the high-pressure jet grouting piles are located on the upper portion of an unfavorable geological layer. Before high-pressure jet grouting pile construction, karst grouting treatment is conducted on the lower portion of the wall bottom of an underground diaphragm wall. According to the underground diaphragm wall construction process, the grooving quality can be improved, and then the stability of the underground diaphragm wall is guaranteed.
本申请涉及一种地下连续墙施工工艺，涉及建筑施工技术领域，包括：定位放线，确定开槽位置；采用高压旋喷注浆工艺，沿槽壁的两侧作高压旋喷桩，相邻的高压旋喷桩相互咬合，形成两条连续的护槽桩；于原土面放线位置开槽，并作钢筋混凝土导墙施工；沿导墙走向进行成槽施工，并清出槽内的沉渣；吊放钢筋笼，并安装导管；以及向成槽内浇筑混凝土；其中，高压旋喷桩位于导墙的下方，高压旋喷桩的高度以其桩底位于地下岩石层的上方，桩顶位于不良地质层的上部为宜。高压旋喷桩施工前，应对地下连续墙墙底下方进行岩溶注浆处理。本申请能够提高成槽质量，进而保证地下连续墙的稳定性。
Underground diaphragm wall construction process
一种地下连续墙施工工艺
ZHENG DING (author) / LUO YUNJIAN (author) / LIU XIANG (author) / CHEN JIANNONG (author) / XIANG GUOYUAN (author) / FEI ZHEXIN (author)
2021-06-15
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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