A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses deep roadway prestress full-anchor supporting construction equipment and a construction method thereof. The deep roadway prestress full-anchor supporting construction equipmentcomprises an anchor bolt for being inserted into a roadway anchor hole, an injection machine for providing primary grout and secondary grout for the anchor bolt, and a pressure maintaining pipeline for being connected with the anchor bolt and the injection machine. The anchor hole is provided with an inner end and an outer end opposite to the inner end, the anchor bolt is coaxially inserted intothe anchor hole, and the anchor bolt is provided with a first end and a second end opposite to the first end. After the anchor bolt is coaxially inserted into the anchor hole, the first end is locatedat the inner end, and the second end is located at the outer end. An injection clearance exists between the periphery of the anchor bolt and the anchor bolt, and the injection clearance at the innerend of the anchor holt is used for allowing the first grout to be injected into, so that the first end of the anchor bolt is anchored; and the injection clearance at the other positions of the anchorhole is used for allowing the secondary grout to be injected into, so that the anchor bolt is anchored in the whole length direction. And a layered grouting manner is adopted, so that the more than 90% of the clearance in the anchor holt is filled with the grout, the compactness is high, and whole-length anchoring of the anchor bolt is achieved.
本发明公开了一种深部巷道预应力全锚支护施工设备及其施工方法，包括：用于插入巷道锚孔的锚杆、用于向锚杆提供一次浆液和二次浆液的喷射机、以及用于连接锚杆和喷射机的保压管路；所述锚孔具有相对的内端和外端，所述锚杆同轴向地插入锚孔内，且锚杆具有相对的第一端头、第二端头，锚杆同轴向地插入锚孔内后，第一端头位于所述内端，第二端头位于所述外端；所述锚杆外围与锚孔之间具有注入间隙，所述锚孔内端的注入间隙用于注入一次浆液以使锚杆的第一端头锚固，所述锚孔其他位置的注入间隙用于注入二次浆液以使锚杆全长锚固；使用分层注浆的方式，使得锚孔内百分之九十以上的间隙被浆液充满，密实度高，实现锚杆的全长锚固。
The invention discloses deep roadway prestress full-anchor supporting construction equipment and a construction method thereof. The deep roadway prestress full-anchor supporting construction equipmentcomprises an anchor bolt for being inserted into a roadway anchor hole, an injection machine for providing primary grout and secondary grout for the anchor bolt, and a pressure maintaining pipeline for being connected with the anchor bolt and the injection machine. The anchor hole is provided with an inner end and an outer end opposite to the inner end, the anchor bolt is coaxially inserted intothe anchor hole, and the anchor bolt is provided with a first end and a second end opposite to the first end. After the anchor bolt is coaxially inserted into the anchor hole, the first end is locatedat the inner end, and the second end is located at the outer end. An injection clearance exists between the periphery of the anchor bolt and the anchor bolt, and the injection clearance at the innerend of the anchor holt is used for allowing the first grout to be injected into, so that the first end of the anchor bolt is anchored; and the injection clearance at the other positions of the anchorhole is used for allowing the secondary grout to be injected into, so that the anchor bolt is anchored in the whole length direction. And a layered grouting manner is adopted, so that the more than 90% of the clearance in the anchor holt is filled with the grout, the compactness is high, and whole-length anchoring of the anchor bolt is achieved.
本发明公开了一种深部巷道预应力全锚支护施工设备及其施工方法，包括：用于插入巷道锚孔的锚杆、用于向锚杆提供一次浆液和二次浆液的喷射机、以及用于连接锚杆和喷射机的保压管路；所述锚孔具有相对的内端和外端，所述锚杆同轴向地插入锚孔内，且锚杆具有相对的第一端头、第二端头，锚杆同轴向地插入锚孔内后，第一端头位于所述内端，第二端头位于所述外端；所述锚杆外围与锚孔之间具有注入间隙，所述锚孔内端的注入间隙用于注入一次浆液以使锚杆的第一端头锚固，所述锚孔其他位置的注入间隙用于注入二次浆液以使锚杆全长锚固；使用分层注浆的方式，使得锚孔内百分之九十以上的间隙被浆液充满，密实度高，实现锚杆的全长锚固。
Deep roadway prestress full-anchor supporting construction equipment and construction method thereof
一种深部巷道预应力全锚支护施工设备及其施工方法
ZHANG HUI (author)
2020-07-07
Patent
Electronic Resource
Chinese
Full-bonding prestress anti-floating anchor rod and construction method thereof
| European Patent Office | 2023
| European Patent Office | 2024