| 摘要 |
A polymer grouting method for constructing an ultra-thin anti-seepage wall meeting requirements of anti-seepage designs of dams, includes the following steps of: forming continuous slots on a body of the dam and the foundation which need seepage-proofing and reinforcing; and injecting two-component expansive polymer grouting materials to the slots through grouting pipes, a volume rapidly expands after the polymer grouting materials reacts and the slots are filled to form a polymer ultra-thin body, the polymer ultra-thin bodies which are adjacent are cemented together to form a continuous, uniform, and regular cementing ultra-thin polymer anti-seepage wall; this invention is different from the conventional anti-seepage wall technology whatever through the material, the mechanism or the construction methods, which has the advantages such as speediness, ultra-thinness, minimally invasive, lightness, high toughness, economy, and durability, applied in reinforcement projects of a number of the dams and dikes. |
| 主权项 |
1. A grouting method of an ultra-thin polymer anti-seepage wall, comprising following steps of:
forming slots which are continuous on a body of dam and foundations which need seepage-proofing and reinforcing according to requirements of anti-seepage designs of dams; and injecting two-component expansive polymer grouting materials to the slots through grouting pipes, wherein a volume rapidly expands after the two-component expansive polymer grouting materials reacts and the slots are filled to form a polymer ultra-thin body, the polymer ultra-thin bodies which are adjacent are cemented together to form a continuous, uniform, and regular cementing ultra-thin polymer anti-seepage wall; wherein specifically, the method comprises following steps of: 1) arranging the slots: arranging the slots on the body of dam and the foundations which need seepage-proofing and reinforcing according to the anti-seepage design and giving the slots numbers; 2) forming the slots, comprising: forming the slots which are continuous by slot equipments; 3) grouting into the slots comprising: a. providing grouting pipes into the slots, wherein each the grouting pipe is deeply disposed at each bottom of the slots; and b. injecting the two-component expansive polymer grouting materials into the slots through the grouting pipes, and continuously lifting the grouting pipes, in such a manner that the two-component expansive polymer grouting materials fill up the slots from bottom to top to form an ultra-thin polymer anti-seepage body; and 4) forming the ultra-thin polymer anti-seepage wall, comprising: closely cementing the ultra-thin polymer anti-seepage bodies which are adjacent together by setting the slots and dividing construction regionals to form the continuous, uniform, and closely cementing ultra-thin polymer anti-seepage wall; wherein in the step 3), a polymer lifting grouting control equipment is used for lifting the grouting pipes, the polymer lifting grouting control equipment comprises a rack, a first speed reducer provided on the rack, a motor connected with the first speed reducer, a main transmission shaft and a minor transmission shaft provided on the rack, wherein the main transmission shaft is connected with the first speed reducer, the minor transmission shaft is connected with the main transmission shaft through a transmission chain, a left board and a right board are provided on the rack, two active driving bevel gears are provided on the main transmission shaft and the minor transmission shaft separately, two passive driving bevel gears are provided on the left board and the right board separately which are meshing with the two active driving bevel gears, and the passive driving bevel gears connected with the right board are embedded in inners of two bearings which are vertically connected with the right board, the active driving bevel gears meshing with the passive driving bevel gears connected with the right board are connected with the main transmission shaft and the minor transmission shaft by spline grooves and capstans, the spline grooves are provided in the inner of the passive driving bevel gears, the capstans are embedded in the main transmission shaft and the minor transmission shaft, a concave gear is provided on each end of the passive driving bevel gears, a second reducer is provided on the rack, a cross-handle is connected with the second reducer, the right board is connected with the second reducer through a separation screw, an armrest is provided on the rack. |
