Fabric formed concrete construction?

Release time:

2024-10-17

The construction of fabric formed concrete includes multiple steps, including construction preparation, laying and fixing of fabric formed concrete, concrete filling and curing. Each step requires strict quality control to ensure the construction effect.

Fabric formed concrete construction?

Fabric formed concrete is a construction method that uses geotextile mold bags as flexible templates, and pours fine stone concrete or mortar into the mold bags through concrete delivery pumps to form concrete units with a certain thickness and plane size. The following are the detailed steps and precautions for fabric formed concrete construction:

1. Construction preparation
Slope treatment:
Dry land slope: Excavate and fill the slope according to the design requirements to ensure that the slope surface is smooth and free of debris, and the fill area should be compacted.
Underwater slope: For steep river banks, stones should be thrown first to find the slope, and then a crushed stone leveling layer should be laid on the stone-throwing slope surface to cover the block stones. The leveling layer should be generally smooth, ensuring that the unevenness is less than the specified value, and divers can be used for inspection.
Inspection and laying of fabric formed concrete:
Fabric formed concrete should be made of nylon, vinylon or polypropylene, and its technical performance indicators should meet the relevant standards.
Fabric formed concrete is not allowed to have serious defects, such as damage, broken sand, etc., and individual light defects should be repaired with adhesives.
Before laying fabric formed concrete, positioning piles and tensioning devices should be set. Positioning piles should be set at a certain distance from the upper edge of the mold bag on the top of the slope, and each fabric formed concrete should have no less than 4.
Fabric formed concrete should reserve longitudinal shrinkage margin, which should be determined through tests.
2. Laying and fixing fabric formed concrete
Laying fabric formed concrete:
When laying the mold bag, sand bags or gravel bags should be pressed to fix the position of the mold bag.
For slopes that are greatly affected by wind and waves, sand and gravel bags should be connected in strings with ropes, and the spacing is generally 1~2 meters.
Fabric formed concrete connection:
Adjacent fabric formed concrete should be tightly connected with double-stranded seams.
The geotextile filter layer should be laid at the bottom of the joint, and the overlap width of the geotextile and the fabric formed concrete cloth should not be less than the specified value, and should be straight and flat.
3. Concrete filling and maintenance
Soil filling of fabric formed concrete:
The mix ratio of fabric formed concrete should be prepared according to the design strength, and its water-cement ratio, slump, etc. should meet the construction requirements.
Before irrigation, the onshore mold bag should be sprinkled with water to moisten it.
During irrigation, the concrete injection pipe should be inserted into the mold bag irrigation port to a depth not less than the specified value and should be tightened.
Irrigation should start from the adjacent Fabric formed concrete blocks and proceed from bottom to top. The upper edge tightening device of the fabric formed concrete should be adjusted in time during the irrigation process.
The pumping distance, filling speed, and outlet pressure of the concrete pump of the Fabric formed concrete should be controlled within the specified range.
Maintenance:
After the Fabric formed concrete is filled, the concrete thickness is measured with a probe, and the average value should meet the design requirements.
After the concrete irrigation is completed, after the initial setting, the ash residue on the surface should be cleaned in time, and maintenance should be carried out for at least 7 days.

If you have an order for fabric formed concrete products, please feel free to contact us, our professional sales consultants will provide you with professional advice, the best prices and beneficial services.

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