A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Prestressed anchor cable construction method
The invention provides a pre-stressed anchor cable construction method, which relates to the technical field of anchor cable construction and comprises an anchor cable manufacturing step, an anchor cable hole positioning step, a sleeve hole forming step, an anchor cable lowering step, a primary grouting step, a sleeve taking-out step, a secondary grouting step, a double-liquid grouting step and an anchor cable tensioning step which are arranged in sequence. The casing pipe hole forming step is added, the casing pipe is arranged in the anchor cable hole to form support, and the pre-stressed anchor cable supporting effect of the soft stratum slope rich in underground water is improved. And after the primary grouting step is completed, the sleeve is taken out, secondary high-pressure grouting is carried out, a gap between the slurry of the primary grouting and the anchor cable hole is filled, and the anchor cable can be firmly anchored. The step of double-liquid grouting is added, soil around the end opening of the anchor cable hole is cemented, gaps are filled, the strength and the bearing capacity of the soil are improved, and the anchoring effect is guaranteed.
本发明提出了一种预应力锚索施工方法，涉及锚索施工技术领域，包括依次设置的锚索制作步骤、锚索孔定位步骤、套管成孔步骤、锚索下放步骤、一次注浆步骤、套管取出步骤、二次注浆步骤、双液注浆步骤和锚索张拉步骤。通过增加套管成孔步骤，在锚索孔内设置套管以形成支护，提高富含地下水的软弱地层边坡的预应力锚索支护效果。一次注浆步骤完成后，将套管取出，并进行第二次高压注浆，以将一次注浆的浆液与锚索孔之间的间隙填充，使锚索能锚固牢固。通过增加双液注浆步骤，以将锚索孔端口周围的土壤进行胶结并将间隙进行填充，使土壤的强度和承载能力提高，保证了锚固效果。
Prestressed anchor cable construction method
The invention provides a pre-stressed anchor cable construction method, which relates to the technical field of anchor cable construction and comprises an anchor cable manufacturing step, an anchor cable hole positioning step, a sleeve hole forming step, an anchor cable lowering step, a primary grouting step, a sleeve taking-out step, a secondary grouting step, a double-liquid grouting step and an anchor cable tensioning step which are arranged in sequence. The casing pipe hole forming step is added, the casing pipe is arranged in the anchor cable hole to form support, and the pre-stressed anchor cable supporting effect of the soft stratum slope rich in underground water is improved. And after the primary grouting step is completed, the sleeve is taken out, secondary high-pressure grouting is carried out, a gap between the slurry of the primary grouting and the anchor cable hole is filled, and the anchor cable can be firmly anchored. The step of double-liquid grouting is added, soil around the end opening of the anchor cable hole is cemented, gaps are filled, the strength and the bearing capacity of the soil are improved, and the anchoring effect is guaranteed.
本发明提出了一种预应力锚索施工方法，涉及锚索施工技术领域，包括依次设置的锚索制作步骤、锚索孔定位步骤、套管成孔步骤、锚索下放步骤、一次注浆步骤、套管取出步骤、二次注浆步骤、双液注浆步骤和锚索张拉步骤。通过增加套管成孔步骤，在锚索孔内设置套管以形成支护，提高富含地下水的软弱地层边坡的预应力锚索支护效果。一次注浆步骤完成后，将套管取出，并进行第二次高压注浆，以将一次注浆的浆液与锚索孔之间的间隙填充，使锚索能锚固牢固。通过增加双液注浆步骤，以将锚索孔端口周围的土壤进行胶结并将间隙进行填充，使土壤的强度和承载能力提高，保证了锚固效果。
Prestressed anchor cable construction method
一种预应力锚索施工方法
HE RUNZHOU (author) / XIE HUIZHEN (author) / TANG GELIANG (author)
2022-11-11
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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