Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Composite retaining pile and construction method thereof
The invention relates to a composite retaining pile and a construction method thereof. The composite retaining pile comprises a pipe pile and a flexural member. The pipe pile is provided with an innercavity and connected with the flexural member. The flexural member comprises an extension part, and the extension part is arranged below the pile bottom of the pipe pile and used for being inserted into a hole below the pipe pile and being connected with a soil body. The construction method of the composite retaining pile comprises the steps that the pipe pile is vertically arranged on the ground; a soil body below the pipe pile is dug to form a hole in the soil body below the pipe pile, and the pipe pile is sunk; when the depth of the hole reaches the preset elevation, the flexural member isplaced in the hole, and the part, located below the pile bottom of the pipe pile, of the flexural member is inserted into the hole; and concrete is poured into an inner cavity of the pipe pile, so that the flexural member is connected to the pipe pile, and the part, located below the pile bottom of the pipe pile, of the flexural member is connected to the inner wall of the hole. Thus, the lengthof the pipe pile is increased, the built-in depth of the pipe pile is guaranteed, and the foundation pit meets the stability and anti-overturning stability. In addition, cost increase caused by the fact that the construction scheme is changed due to the fact that the pipe pile cannot be driven into a hard rock stratum can be avoided.
本发明涉及一种复合围护桩及其施工方法。复合围护桩包括管桩及受弯构件。管桩具有内腔，受弯构件连接管桩。受弯构件包括延长部，延长部设于管桩桩底的下方，用于插设在管桩下方孔洞内并连接土体。复合围护桩的施工方法包括管桩竖向置于地面；掘取管桩下方的土体，使管桩下方的土体形成有孔洞，并下沉管桩；当孔洞的深度达到预定标高时，置入受弯构件，使受弯构件位于管桩桩底下方的部分插设于孔洞；向管桩的内腔灌注混凝土，使受弯构件连接于管桩，位于管桩桩底下方的受弯构件连接于孔洞的内壁。如此，延长管桩的长度，保证管桩的嵌固深度，使基坑满足稳定性及抗倾覆稳定性。并且，还可避免因管桩无法打入硬岩层而更改施工方案所带来的成本增加。
Composite retaining pile and construction method thereof
The invention relates to a composite retaining pile and a construction method thereof. The composite retaining pile comprises a pipe pile and a flexural member. The pipe pile is provided with an innercavity and connected with the flexural member. The flexural member comprises an extension part, and the extension part is arranged below the pile bottom of the pipe pile and used for being inserted into a hole below the pipe pile and being connected with a soil body. The construction method of the composite retaining pile comprises the steps that the pipe pile is vertically arranged on the ground; a soil body below the pipe pile is dug to form a hole in the soil body below the pipe pile, and the pipe pile is sunk; when the depth of the hole reaches the preset elevation, the flexural member isplaced in the hole, and the part, located below the pile bottom of the pipe pile, of the flexural member is inserted into the hole; and concrete is poured into an inner cavity of the pipe pile, so that the flexural member is connected to the pipe pile, and the part, located below the pile bottom of the pipe pile, of the flexural member is connected to the inner wall of the hole. Thus, the lengthof the pipe pile is increased, the built-in depth of the pipe pile is guaranteed, and the foundation pit meets the stability and anti-overturning stability. In addition, cost increase caused by the fact that the construction scheme is changed due to the fact that the pipe pile cannot be driven into a hard rock stratum can be avoided.
本发明涉及一种复合围护桩及其施工方法。复合围护桩包括管桩及受弯构件。管桩具有内腔，受弯构件连接管桩。受弯构件包括延长部，延长部设于管桩桩底的下方，用于插设在管桩下方孔洞内并连接土体。复合围护桩的施工方法包括管桩竖向置于地面；掘取管桩下方的土体，使管桩下方的土体形成有孔洞，并下沉管桩；当孔洞的深度达到预定标高时，置入受弯构件，使受弯构件位于管桩桩底下方的部分插设于孔洞；向管桩的内腔灌注混凝土，使受弯构件连接于管桩，位于管桩桩底下方的受弯构件连接于孔洞的内壁。如此，延长管桩的长度，保证管桩的嵌固深度，使基坑满足稳定性及抗倾覆稳定性。并且，还可避免因管桩无法打入硬岩层而更改施工方案所带来的成本增加。
Composite retaining pile and construction method thereof
复合围护桩及其施工方法
HUANG JUNGUANG (Autor:in) / LUO YONGJIAN (Autor:in) / CHEN XIANGBO (Autor:in) / LIN YUESEN (Autor:in) / RUAN FEI (Autor:in) / ZHANG XIAOLUN (Autor:in) / LI WEIKE (Autor:in) / LIN ZUKAI (Autor:in) / LIANG YONGHENG (Autor:in) / LIU ZHIHONG (Autor:in)
16.03.2021
Patent
Elektronische Ressource
Chinesisch
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