Construction technology of hard part of garage roof greening

After the waterproof project of the civil engineering unit is completed, we will dry each grid of water in Sentuo, then clean it with clear water, dry it in the sun, and then use 1: 3 cement mortar, so that the thickness of 20 will be evenly smoothed with mud foam and partially smoothed. Leave a reserved hole under the lintel and cover it with10 PVC pipe. Should be as close as possible to the floor, combined with drainage design. When the garage roof is uneven locally, it must be leveled or follow the principle of height.

2, lofting

On the basis of being familiar with and proficient in drawings, the construction setting-out personnel use the grid positioning method to locate the positions of fire exits, garden roads, sketches, pools, drainage ditches and rainwater wells, and accurately guide the original absolute elevation to the construction site.

3. Drainage ditch

All underground ditches are used, with hollow bricks 250 high and 50 wide on both sides, and both sides are leveled with 1: 2 cement mortar. Clean up the sundries at the bottom of the ditch and the reserved holes, cover the cast iron cover plate, and then wrap the filter screen on the cast iron cover plate. In fire exits, garden roads, sketches and pools, 5-thick cement prefabricated panels are used for the drainage cover below.

4, put away the permeable pipe

We use steel wire-lined fiber outer permeable pipe with a diameter of ￠ 100. Then we plug the 100 permeable pipe into the original hole and connect it with the drainage ditches on both sides, and then fix it with cement mortar bricks to prevent it from moving and rushing out. Hard roads are connected by steel pipes.

5. Rainwater well

According to the direction of fire escape and garden road pavement slope, determine the location of the rain well, mainly at the edge of the road, and then use hollow bricks to build by laying bricks or stones with a length of 60 cm and a width of 45 cm until the height of the road surface. The rainwater well is made of plastic grille and lined with stainless steel mesh.

6, fire escape foundation

Both sides of the subgrade are built with red bricks to the height of the road surface, and the middle is filled with mountain slag, which will be completed by stages. Every time it is rammed, a cement stabilized layer with a thickness of 15 is used on it, and low-grade concrete with a thickness of C 15 is used. After the plate vibrator is compacted, it will be leveled with iron, and finally it will be leveled and maintained manually.

7, landscape pool foundation

Because the distance from the bottom of the pool to the top of the structural slab is only 2-5 cm, if all concrete is used in the end, the load will increase, so we can only wrap it up with the template and stay under the pool, don't take it out, and the support under the template should be firm.

8. Cast-in-place concrete slab

In the process of construction, raise the foundation as a whole, support the formwork under the cast-in-place slab firmly, and reduce the bearing capacity of the floor slab.