Concrete mold bag with high tensile strength
By adopting a mold bag with a multi-layer fiber braided structure, the problem of insufficient tensile toughness of the existing mold bag is solved, and higher tensile strength and toughness are achieved, ensuring the stability of the concrete mold bag when filled with concrete.
Patent Information
- Application Number
- CN202421324869.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The tensile toughness of existing concrete molded bags is weak and easily exploded when filled with concrete, resulting in the inability to continue the project.
The mold cloth bag structure is adopted that includes an upper cloth and a lower cloth. The upper cloth is woven from polypropylene fiber wire and cotton linen fiber wire, and the lower cloth is woven from carbon fiber wire and polyaramide fiber wire, and the connection net is fixed in the groove of the mold cloth bag body, and the upper cloth and the lower cloth are pulled together by a nylon rope.
It improves the tensile strength and toughness of the molded cloth bag, enhances its durability, avoids the phenomenon of explosion when filled with concrete, and ensures continuous progress of the project.
Smart Images

Figure CN222557565U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mold cloth bags, in particular to a concrete mold bag with high tensile strength. Background Art
[0002] The concrete mold bag is a large-area continuous bag-shaped material made of two layers of geotextiles. The bag is filled with concrete or cement mortar, and after solidification, it forms an integral concrete slab, which is suitable for slope protection.
[0003] Concrete mold bags have the characteristics of flexible design, convenient construction, reliable quality and underwater construction without the need to build cofferdams. However, the existing mold cloth bags have weak tensile toughness and are easy to explode when filled with concrete, resulting in the project being unable to continue. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and provides a concrete mold bag with high tensile strength.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A concrete mold bag with high tensile strength comprises a mold cloth bag body, wherein the mold cloth bag body comprises an upper cloth layer and a lower cloth layer, a mold cavity is formed between the upper cloth layer and the lower cloth layer, the upper cloth layer comprises polypropylene fiber filaments, the polypropylene fiber filaments are woven interlaced with each other, cotton and linen fiber filaments are wound around the outer side of the polypropylene fiber filaments, and the lower cloth layer comprises carbon fiber filaments and polyaramid fiber filaments, and the polyaramid fiber filaments and the carbon fiber filaments are woven together.
[0007] As a further solution of the utility model, a connecting net is fixedly connected in the groove of the mold cloth bag body, and the connecting nets are staggeredly distributed.
[0008] As a further solution of the utility model, the upper layer of cloth and the lower layer of cloth are connected by a nylon rope.
[0009] As a further solution of the utility model, a feed port is opened on one side of the mold bag body.
[0010] The beneficial effects of the utility model are:
[0011] 1. The carbon fiber filaments in the utility model not only have high tensile strength and rigidity, but also have the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance, so that the tensile toughness of the mold bag body becomes stronger, thereby making the mold bag body more durable.
[0012] 2. The raw material price of the polypropylene fiber in the utility model is relatively low, and it has good impact resistance and elasticity. At the same time, it has high strength, high rigidity, high toughness and high ductility, so that the mold cloth bag body has a better tensile resistance. It also has good corrosion resistance, acid and alkali resistance, heat resistance and sunlight resistance, is not easily affected by ultraviolet rays, and has good environmental protection.
[0013] 3. The cotton and linen fiber yarn in the utility model has the advantages of good moisture absorption, strong air permeability, antibacterial and deodorizing, and antistatic. The material has high plasticity and is environmentally friendly. At the same time, it has good alkali resistance and acid resistance. The polyaramid fiber yarn has high heat resistance, it has self-extinguishing and high chemical stability, and also has good alkali resistance, hydrolysis stability and radiation resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a three-dimensional structural schematic diagram of a concrete mold bag with high tensile strength proposed by the utility model;
[0015] Figure 2 This is a partial cross-sectional structural schematic diagram of a concrete mold bag with high tensile strength proposed by the utility model;
[0016] Figure 3 It is a partially enlarged structural schematic diagram of a concrete mold bag with high tensile strength proposed by the utility model;
[0017] Figure 4 This is a partially enlarged structural schematic diagram of a concrete mold bag with high tensile strength proposed by the utility model.
[0018] In the figure: 1. mold bag body; 2. feed port; 3. connecting net; 4. lower cloth; 5. upper cloth; 6. mold cavity; 7. polypropylene fiber filament; 8. cotton and linen fiber filament; 9. carbon fiber filament; 10. polyaramid fiber filament. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by ordinary technicians in this field without making creative work are all within the scope of protection of the utility model.
[0020] Reference Figure 1-Figure 4A concrete mold bag with high tensile strength comprises a mold cloth bag body 1, the mold cloth bag body 1 comprises an upper cloth 4 and a lower cloth 5, a mold cavity 6 is formed between the upper cloth 4 and the lower cloth 5, the upper cloth 4 comprises polypropylene fiber filaments 7, the raw material price of the polypropylene fiber filaments 7 is relatively low, it has good impact resistance and elasticity, and at the same time has high strength, high rigidity, high toughness and high ductility, good environmental protection, and also has good corrosion resistance, acid and alkali resistance, heat resistance and sunlight resistance, is not easily affected by ultraviolet rays, and has strong oxidation resistance and high surface gloss. The polypropylene fiber filaments 7 are interlaced and woven with each other, and the outer side of the polypropylene fiber filaments 7 is wrapped with a It is wound with cotton and linen fiber filaments 8, which have the advantages of good moisture absorption, strong air permeability, antibacterial and deodorizing, and anti-static. The material is highly plastic and environmentally friendly, and its alkali resistance and acid resistance are also very good. The lower cloth 5 includes carbon fiber filaments 9 and polyaramid fiber filaments 10. The carbon fiber filaments 9 not only have high tensile strength and rigidity, but also have the characteristics of high temperature resistance, friction resistance, thermal conductivity and corrosion resistance. The polyaramid fiber filaments 10 and the carbon fiber filaments 9 are woven together. The polyaramid fiber filaments 10 have high heat resistance, self-extinguishing and high chemical stability, as well as good alkali resistance, hydrolysis stability and radiation resistance.
[0021] In the present utility model, it should be noted that a connecting net 3 is sewn in the groove of the mold cloth bag body 1, and the connecting net 3 is staggered, the upper cloth 4 and the lower cloth 5 are connected by a nylon rope, and a feed port 2 is opened on one side of the mold cloth bag body 1.
[0022] In addition, the terms "installation", "setting", "connection" and "socketing" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. Those skilled in the art can understand the specific meanings of the above terms in this application according to specific circumstances.
Claims
1. A concrete mold bag with high tensile strength, comprising a mold bag body (1), characterized in that: The mold cloth bag body (1) comprises an upper cloth layer (4) and a lower cloth layer (5), wherein a mold cavity (6) is formed between the upper cloth layer (4) and the lower cloth layer (5), wherein the upper cloth layer (4) comprises polypropylene fiber filaments (7), wherein the polypropylene fiber filaments (7) are interlaced and woven with each other, wherein cotton and linen fiber filaments (8) are wound around the outer sides of the polypropylene fiber filaments (7), and wherein the lower cloth layer (5) comprises carbon fiber filaments (9) and polyaramid fiber filaments (10), wherein the polyaramid fiber filaments (10) and the carbon fiber filaments (9) are woven with each other.
2. A concrete mold bag with high tensile strength according to claim 1, characterized in that: A connecting net (3) is fixedly connected in the groove of the mold bag body (1), and the connecting nets (3) are staggeredly distributed.
3. A concrete mold bag with high tensile strength according to claim 1, characterized in that: The upper layer of cloth (4) and the lower layer of cloth (5) are connected by a nylon rope.
4. A concrete mold bag with high tensile strength according to claim 1, characterized in that: A feed port (2) is provided on one side of the mold bag body (1).