A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Anchor cable construction method
The invention provides an anchor cable construction method. The anchor cable construction method comprises the steps that S1 an anchor cable is prepared; S2 drilling is conducted; S3 anchor cable installation is conducted; S4 grouting is conducted, specifically, a grouting machine is adopted to conduct grouting on the interior of each drilled hole; S5 anchor cable tensioning is conducted, specifically, a single steel strand of the anchor cable in each drilled hole is subjected to graded tensioning; S6 secondary grouting is conducted, specifically, after tensioning is completed, the grouting machine is adopted to directly conduct grouting into each drilled hole from a grouting pipe of the anchor bearing plate; and S7 external protection is conducted, after secondary grouting is conducted, 45 to 55 mm steel strands are reserved from the anchor bearing plate, the other parts are cut off, and the outer portions of the steel strands are coated with cement mortar protection layers with the thickness not smaller than the length of the steel strands. The construction method is convenient to implement, by arranging a centering device on each anchor cable, the mounting precision of the anchor cable in the corresponding drilled hole can be guaranteed, the connecting strength of each anchor rod and the corresponding drilled hole can be guaranteed, it can be guaranteed that the interior of each drilled hole is completely filled with slurry through two times of grouting, gaps are reduced, and the fixing strength is further improved.
本发明提供一种锚索施工方法，包括以下步骤：S1，锚索准备；S2，钻孔；S3，锚索安装；S4，注浆，采用注浆机向钻孔内部注浆；S5，锚索张拉，对每个钻孔内部锚索的钢绞线采取单根分级张拉；S6，二次注浆，张拉完成后采用注浆机从锚垫板的注浆管直接注浆到钻孔内部；S7，外部保护，二次注浆后从锚垫板处起留45－55mm的钢绞线，其余的部分截去，在其外部包覆厚度不小于该钢绞线长度的水泥砂浆保护层；在本发明中的施工方法便于实施，通过在锚索上设置对中器能够保证锚索在钻孔内部的安装精度，保证锚杆与钻孔连接强度，两次注浆能够保证钻孔内部被浆料完全填充，减少空隙，进一步提升固定强度。
Anchor cable construction method
The invention provides an anchor cable construction method. The anchor cable construction method comprises the steps that S1 an anchor cable is prepared; S2 drilling is conducted; S3 anchor cable installation is conducted; S4 grouting is conducted, specifically, a grouting machine is adopted to conduct grouting on the interior of each drilled hole; S5 anchor cable tensioning is conducted, specifically, a single steel strand of the anchor cable in each drilled hole is subjected to graded tensioning; S6 secondary grouting is conducted, specifically, after tensioning is completed, the grouting machine is adopted to directly conduct grouting into each drilled hole from a grouting pipe of the anchor bearing plate; and S7 external protection is conducted, after secondary grouting is conducted, 45 to 55 mm steel strands are reserved from the anchor bearing plate, the other parts are cut off, and the outer portions of the steel strands are coated with cement mortar protection layers with the thickness not smaller than the length of the steel strands. The construction method is convenient to implement, by arranging a centering device on each anchor cable, the mounting precision of the anchor cable in the corresponding drilled hole can be guaranteed, the connecting strength of each anchor rod and the corresponding drilled hole can be guaranteed, it can be guaranteed that the interior of each drilled hole is completely filled with slurry through two times of grouting, gaps are reduced, and the fixing strength is further improved.
本发明提供一种锚索施工方法，包括以下步骤：S1，锚索准备；S2，钻孔；S3，锚索安装；S4，注浆，采用注浆机向钻孔内部注浆；S5，锚索张拉，对每个钻孔内部锚索的钢绞线采取单根分级张拉；S6，二次注浆，张拉完成后采用注浆机从锚垫板的注浆管直接注浆到钻孔内部；S7，外部保护，二次注浆后从锚垫板处起留45－55mm的钢绞线，其余的部分截去，在其外部包覆厚度不小于该钢绞线长度的水泥砂浆保护层；在本发明中的施工方法便于实施，通过在锚索上设置对中器能够保证锚索在钻孔内部的安装精度，保证锚杆与钻孔连接强度，两次注浆能够保证钻孔内部被浆料完全填充，减少空隙，进一步提升固定强度。
Anchor cable construction method
一种锚索施工方法
TIE YOULU (author) / MA YUANHAI (author) / WANG MINGLONG (author)
2021-07-23
Patent
Electronic Resource
Chinese
IPC:
E01D
BRIDGES
,
Brücken
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