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Decryption Of Epoxy Grout Should Pay Attention To The Problems And The Economic Value Brought About
Jul 12, 2017

Decryption of Epoxy Grout should pay attention to the problems and the economic value brought about
(1) Epoxy Grout should be selected when the temperature is relatively low to 5 ~ 30 ℃ is appropriate.

(2) Epoxy Grout should be selected when the temperature is relatively dry. During the rainy season or a few days after the rain, the epoxy grouting should be stopped because there is often a lot of water in the bottom of the vortex, although some water can be drained during perfusion, Water, thus affecting the effect of Epoxy Grout.

(3) When some holes in the Epoxy Grout poor, the slurry is difficult to pour, you can first pump a small amount of water into the hole or jet the air, so that the formation of small cavities and hollow parts through, so that The initial distribution of the slurry.

(4) should control the Epoxy Grout pressure, when not considering the plate uplift, the Epoxy Grout pressure to not more than 2MPa is appropriate. When the pressure of the pressure gauge on the Epoxy Grout pump is increased and the control value is exceeded, the pumping should be stopped to avoid plate disturbance. At the same time, the pressure is too high to cause the Epoxy Grout plug to wipe up.

(5) When it is observed that the slurry is flowing from one hole into another or the slurry is emerging along the seam and is no longer extended, it shall be considered to be filled; if the slurry is large in the slurry from the adjacent hole, Adjacent to the Epoxy Grout the plug on the valve (or plug the hole in the cork) and static pressure for a period of time, so as not to pressure loss, to ensure that the gap filling dense.

(6) After filling the epoxy resin, it is necessary to remove the seams and cracks in the cracks before the mortar is finished, so as not to induce the plate to crack and rupture, and re-irrigation with the appropriate caulking material before opening the traffic. Timely removal of residual mortar in the road, to avoid causing road pollution.

(7) Epoxy Grout hole, can be marked with no less than the original design strength of the fine stone concrete to fill, once again Epoxy Grout should be re-drilling.

(8) Epoxy Grout can not make the subsidence, the wrong plate uplift to the specified elevation or in situ, can not solve the cracks caused by the use of concrete to reduce the use of quality, performance problems. Therefore, the Epoxy Grout, local repair and cover layer of three means and will become a more effective conservation technology.

(9) Epoxy Grout should be done in detail the construction of the original record, the record should be able to reflect each board Epoxy Grout hole location and the number of holes, each epoxy grouting hole Epoxy Grout When the pressure and the amount of Epoxy Grout, such as the description of the situation. Construction records should also include the Epoxy Grout board of the vortex, the description of the situation and the use of Epoxy Grout material mix ratio and the main technical indicators data.

(10) In order to ensure the construction quality of the old cement concrete pavement grouting reinforcement, it is necessary to construct the relatively stable professional team.

Epoxy Grout treatment of old cement concrete pavement early and mid-term damage and "change board" compared to the advantages of large use of the original road panels. The direct cost of the situation with the void and the treatment of different purposes, generally between 10 to 30 yuan / m2 or so. "Plate" renovation concrete pavement per square meter cost is generally 120 to 140 yuan. Compared with the latter, the direct cost of the former is significantly lower. Epoxy Grout as a kind of concrete pavement disease, timely and feasible scientific conservation technology, with low cost, quick, easy to operate, the impact of small vehicles, small factors affected by natural factors. In the road construction and conservation projects, with considerable economic and social benefits.

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