Of water in the elevator shaft is through pressure by the well borehole penetration into groundwater, to solve the fundamental problem of leakage, to strengthen the elevator shaft itself leak proof permeability

Causes of elevator shaft leakage:

1. Causes of serious leakage around the internal corner of the elevator shaft: the waterproof layer is made on the bottom plate first and the concrete wall on the side wall is poured again, which leads to the fault between the concrete wall on the side wall of the elevator shaft and the bottom plate. The original waterproof layer has not played its due waterproof effect, so the groundwater will continue to leak into the elevator shaft from the fault.

During civil construction, a large amount of ponding on the bottom plate was not drained and drained, but the concrete was directly poured into the water, resulting in many honeycombs, pitted surfaces, holes and sulfur pine around the bottom plate. The connection with the bottom plate is not tight, the bottom of the elevator shaft is 3M below the positive and negative zero water level, the underground water pressure is large, and the underground water leaks to the pit through holes, pits, cracks and loose places, resulting in ponding in the elevator shaft.

2. Causes of water leakage in the elevator shaft wall: the elevator shaft wall (from the shaft side wall below the positive and negative zero horizontal line to the surface around the pit) is plastered with cement mortar twice. There is no waterproof treatment inside and outside the elevator side wall, resulting in groundwater penetrating into the wall from the outer wall of the shaft wall, resulting in water accumulation in the elevator shaft.

In view of the above leakage reasons, the construction method of "one plugging, two sealing and three strengthening" can be adopted to effectively eradicate the leakage of the bottom plate and side wall of the elevator shaft.

1. As soon as the existing leaking part is blocked, the leaking point shall be stopped by mechanical grouting to make it no longer leak.

2. The second seal is to conduct comprehensive waterproof treatment with waterproof coating on the basis of repaired water leakage.

3. III. strengthen the installation of tq-ept electroosmosis pulse anti-seepage and dehumidification system. Tongqiang Technology Co., Ltd. launched a small model for anti-seepage and dehumidification of elevator shaft in 2021 to perfectly solve the leakage problem of elevator shaft.

Tq-ept electroosmosis pulse anti-seepage dehumidification system and electroosmosis pulse anti-seepage dehumidification technology are installed. It adopts low-voltage DC positive and negative charges according to the electroosmosis principle of water. Under the action of low-voltage electromagnetic field, the positive charges are discharged to the negative direction through the positive electrode (buried on the surface of the inner wall) (the negative electrode is buried in the backfill outside the wall), Thus, the water molecules in the pores or gaps in the wall are discharged to the outside of the wall (i.e. the negative direction), and the water outside the wall is prevented from penetrating into the inside. As long as the system keeps working, the wall will always keep the best moisture content. At the same time, it can effectively reduce the humidity of the air in the elevator shaft and protect the steel frame structure of the elevator shaft from moisture erosion.

Through the above comprehensive treatment of multiple waterproofing, the leakage of elevator shaft can ensure that everything is wet.