The construction technology of retaining wall, the height of retaining wall is generally how much and appropriate.

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Construction technology of retaining wall

According to the design drawings, understand the height, length, buried depth, thickness and foundation structure of retaining walls, and determine whether the excavation method of retaining wall foundation is manual or mechanical.

Before retaining wall construction, the support, formwork and reinforcement shall be inspected and recorded. Only when they meet the design and construction requirements can they be poured. Before pouring concrete, the accumulated water in the formwork should be cleaned. In addition, if there are gaps in the template, it can be tightly packed with sponge strips or double-sided tape, and the template should be coated with release agent, and oil such as waste engine oil cannot be used.

Use plug-in vibrator to vibrate, and do not miss or over-vibrate. Concrete pouring shall be carried out in layers according to the thickness, sequence and direction, and the upper concrete shall be poured before the initial setting or remodeling of the lower concrete.

The thickness of layered concrete pouring shall not exceed 30m. After the first layer of concrete construction, it must be placed according to the specification requirements, and then the next layer of concrete construction. When concrete is directly dumped from a height, the free dumping height should not exceed 2m to avoid segregation. And casting must be carried out in strict accordance with the requirements and specifications, raw materials must be in strict accordance with the provisions of the approach.

How high and suitable is the retaining wall?

The height of the retaining wall is several meters or tens of meters. Generally, the height1.2m is more suitable. The key is whether the design and construction of retaining wall can meet the requirements of retaining wall. For retaining walls with high height, anchor cables or anchor rods can be used for anchoring. For the retaining wall of1.2m, rubble gravity retaining wall or reinforced concrete retaining wall can be used.

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