Geotextile Bag Introduction:
Geotextile bags are continuous (or separate) bag-like products made from a double-layered composite fiber material. The application of geosynthetic materials in engineering is a new technology that has developed over the past two decades, introduced to our country and developed for use in the late 1970s. Molded concrete is formed by injecting concrete or cement mortar into the bags using a high-pressure pump, with the thickness of the concrete or cement mortar controlled by the length of the suspension cables and ropes (polymers like nylon) inside the bags. After the concrete or cement mortar solidifies, it forms a board-like or other structural shape with a certain strength, meeting the needs of engineering projects. As a new type of building material, geotextile bags are widely used in protective projects such as embankments, shore protection, harbors, and docks along rivers, lakes, seas, and oceans.
Features include:
(1) Geotextile bags construction utilizes a single spray molding process, offering easy and quick installation.
(2) Geotextile bags are adaptable to various complex terrains, particularly in deep-water revetments and bottom protection where dike construction is unnecessary. They can be directly installed underwater, featuring high mechanization, large protected slope area, strong integrity, good stability, and a long service life.
(3) Geotextile bags have a certain degree of permeability. After concrete or cement mortar is poured in, excess water seeps out through the fabric gaps, rapidly reducing the water-cement ratio and accelerating the setting speed of the concrete, thereby increasing its compressive strength.
Rectangular formwork fabric has no filtration points on the fabric surface. It can be filled with concrete or mortar according to the construction process, resulting in a smooth and aesthetically pleasing finish with no filtration points. The non-filtration formwork is a four-layer structure with a double-layer fabric, where the second and third layers create an interlaced reinforcement. The filled and shaped product achieves the designed thickness, featuring high compressive strength of the cured body and an attractive finish. This product has a wide range of applications and is one of the most widely used formworks currently. It is generally suitable for embankment, slope, dam, and bottom protection projects such as reservoirs, water conduits, river courses, and ponds.
The manufacturing process for the circular mold bags is rather complex, suitable for projects with thinner concrete filling, such as river channel revetments and beaches.
The filling material inside the hinge form bag is mainly mortar, and in special cases, concrete may be适量 filled in with the approval of the design unit. The blocks are secured with different strength ropes both longitudinally and transversely, threaded through the center of the blocks, ensuring they are securely fastened to each other. This allows for drainage while also enabling the blocks to settle or shift downward freely after brushing or subsidence of the foundation. This product is suitable for riverbeds and toe slopes, as well as river bends, serving as a protective measure against erosion.
The filling material inside the grass planting bags is generally mortar. This product is woven into two types: the woven and the non-woven. The former has a complex structure, with the grid size usually between 22-30cm. The thickness around the grid is less than 15cm, forming an elliptical solidified mortar section. Trees, flowers, and grass can be planted inside the grid to beautify slopes; it is also a novel material for residential areas.
