Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Geotechnical engineering foundation pit anti-collapse stable supporting structure
The invention discloses a geotechnical engineering foundation pit anti-collapse stable supporting structure. A supporting anchor rod of the geotechnical engineering foundation pit anti-collapse stable supporting structure sequentially penetrates through a supporting outer steel plate and supporting channel steel and then extends into the wall of a foundation pit, and a pre-tightening fixing head is arranged between the supporting anchor rod and the supporting outer steel plate. The pre-tightening fixing head can apply a pre-tightening force to the supporting anchor rod, so that the pre-tightening fixing head can be firstly used for pre-tightening a certain pre-tightening force, then an expanding agent is arranged in a concave cavity, the pre-tightening force of the supporting anchor rod is further increased through expansion of the expanding agent, and the pre-tightening force of anchoring is effectively improved. Meanwhile, damage to the pre-tightening fixing head or an anchor rod head caused by pre-tightening only through a pre-tightening tool is avoided, the pre-tightening force can be effectively improved, the pre-tightening effect is guaranteed, the supporting capacity is improved, and the loosening problem is prevented. According to the geotechnical engineering foundation pit anti-collapse stable supporting structure, the supporting channel steel and the outer supporting steel plate are adopted for supporting at the same time, and the supporting effect and stability are effectively improved.
本发明公开了一种岩土工程基坑防坍塌稳固支撑结构，其支护锚杆依次穿过所述支护外钢板、支护槽钢后伸入基坑的坑壁内部，所述支护锚杆与所述支护外钢板之间设置有所述预紧固定头，所述预紧固定头能够对所述支护锚杆施加一预紧力，这样可以先利用预紧固定头进行预紧一定的预紧力，然后再在凹腔内设置膨胀剂，利用膨胀剂的膨胀来进一步增加支护锚杆的预紧力，有效提高锚固的预紧力，同时避免仅仅依靠预紧工具预紧对预紧固定头或者锚杆头产生损坏，可以有效的提高预紧力，保证预紧效果，提高支护能力，防止出现松动的问题，本发明采用支护槽钢和外支护钢板的同时支护，有效提高支护效果与稳定性。
Geotechnical engineering foundation pit anti-collapse stable supporting structure
The invention discloses a geotechnical engineering foundation pit anti-collapse stable supporting structure. A supporting anchor rod of the geotechnical engineering foundation pit anti-collapse stable supporting structure sequentially penetrates through a supporting outer steel plate and supporting channel steel and then extends into the wall of a foundation pit, and a pre-tightening fixing head is arranged between the supporting anchor rod and the supporting outer steel plate. The pre-tightening fixing head can apply a pre-tightening force to the supporting anchor rod, so that the pre-tightening fixing head can be firstly used for pre-tightening a certain pre-tightening force, then an expanding agent is arranged in a concave cavity, the pre-tightening force of the supporting anchor rod is further increased through expansion of the expanding agent, and the pre-tightening force of anchoring is effectively improved. Meanwhile, damage to the pre-tightening fixing head or an anchor rod head caused by pre-tightening only through a pre-tightening tool is avoided, the pre-tightening force can be effectively improved, the pre-tightening effect is guaranteed, the supporting capacity is improved, and the loosening problem is prevented. According to the geotechnical engineering foundation pit anti-collapse stable supporting structure, the supporting channel steel and the outer supporting steel plate are adopted for supporting at the same time, and the supporting effect and stability are effectively improved.
本发明公开了一种岩土工程基坑防坍塌稳固支撑结构，其支护锚杆依次穿过所述支护外钢板、支护槽钢后伸入基坑的坑壁内部，所述支护锚杆与所述支护外钢板之间设置有所述预紧固定头，所述预紧固定头能够对所述支护锚杆施加一预紧力，这样可以先利用预紧固定头进行预紧一定的预紧力，然后再在凹腔内设置膨胀剂，利用膨胀剂的膨胀来进一步增加支护锚杆的预紧力，有效提高锚固的预紧力，同时避免仅仅依靠预紧工具预紧对预紧固定头或者锚杆头产生损坏，可以有效的提高预紧力，保证预紧效果，提高支护能力，防止出现松动的问题，本发明采用支护槽钢和外支护钢板的同时支护，有效提高支护效果与稳定性。
Geotechnical engineering foundation pit anti-collapse stable supporting structure
一种岩土工程基坑防坍塌稳固支撑结构
YANG RUIMIN (Autor:in) / ZHANG ZHENNING (Autor:in) / WEI RENWEI (Autor:in) / ZHENG TENGLONG (Autor:in) / CHENG XIYING (Autor:in)
21.01.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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