WO2018126954A1

WO2018126954A1 - Fiber composite material multifunctional disassembly-free formwork and method for fabrication thereof

Info

Publication number: WO2018126954A1
Application number: PCT/CN2017/118801
Authority: WO
Inventors: 朱继华; 苏玫妮; 邢锋
Original assignee: 深圳大学
Priority date: 2017-01-03
Filing date: 2017-12-27
Publication date: 2018-07-12
Also published as: CN106836622B; CN106836622A

Abstract

Provided are a fiber composite material multifunctional disassembly-free formwork and method for fabrication thereof; the fiber composite material multifunctional disassembly-free formwork is constituted by multiple layers of fiber material arranged at intervals and an electrically conductive cementitious material layer, each layer of fiber material being surrounded by two adjacent cementitious material layers; the method for fabricating the fiber composite material multifunctional disassembly-free formwork comprises the following steps: A. formulating an electrically conductive cementitious material; B. pouring the cementitious material into the bottom of a cleaned mold, and laying a first fiber material layer (12) onto a first cementitious material layer (11); pouring a second cementitious material layer (13) onto the first fiber material layer (12), and laying a second fiber material layer (14) onto the second cementitious material layer (13); continuing in a similar manner and then pouring a final cementitious material layer onto the final fiber material layer, then scraping the mold flat to form a formwork blank; C. pre-compressing and forming the formwork blank, then curing; D. demolding and curing at room temperature to obtain a product. The fiber composite material multifunctional disassembly-free formwork solves the problem of reinforcing-bar corrosion and may also be used in place of a wooden formwork, and requires no disassembly, conserves resources, protects the environment, and reduces costs.

Description

Multifunctional free-form template for fiber composite material and preparation method thereof

Technical field

The invention relates to the field of building templates, in particular to a multi-functional free-form template for a fiber composite material and a preparation method thereof.

Background technique

Building templates play a very important role in the construction process. During the construction process, many components need to be cast-in-place. The cast-in-place components must be supported by formwork. Now the general formwork is a wood formwork or a steel formwork. The cost of making the formwork requires a certain cost, and it needs to be installed continuously during the application process. The template is removed and the workload is large. Moreover, at present, wood resources are becoming less and less, and building energy consumption accounts for more than half of the total energy consumption. In order to save wood and optimize the environment, the application of the free template has become an important issue in the industry.

At the same time, reinforced concrete structures in the coastal environment are inevitably exposed to chloride ions in the environment. Chloride ions carried by concrete itself or externally invaded are considered to be the most important cause of corrosion problems in steel bars. Existing research shows that the corrosion of internal steel bars is the most important cause of the deterioration of the durability of reinforced concrete structures, which seriously affects the safe service life of reinforced concrete structures.

In the prior art, there is a lack of technical solutions capable of simultaneously solving the above two technical problems. Therefore, the prior art has yet to be improved and developed.

Summary of the invention

In view of the above deficiencies of the prior art, the object of the present invention is to provide a multi-functional free-form template for a fiber composite material and a preparation method thereof, which can be solved when the multi-functional free-form template of the fiber composite material is used in construction engineering construction. The problem of steel corrosion is to protect the reinforced concrete structure, and it can be used instead of the wooden temporary formwork, and it is free from disassembly, so that the reinforced concrete main structure can be better protected from the beginning.

The technical solution of the present invention is as follows:

A fiber composite multifunctional detachable template, wherein the fiber composite multifunctional detachable template is composed of a plurality of spaced apart fibrous material layers and a conductive functional layer of cementing material; wherein at least one layer of the fibrous material The layer is composed of a carbon fiber reinforced composite material; the upper and lower ends of the fiber composite material multifunctional detachable template are the cement material layer, and each layer of the fiber material layer is wrapped around two adjacent layers of the cement material Between the layers.

The fiber composite material multifunctional release template, wherein the cement material layer is composed of a cement material, and the cement material comprises the following components by weight: 1 part of cement, 0.3-0.7 parts of water The silicon powder is 0.1 to 0.3 parts, the polymer is 0.1 to 0.5 parts, the plasticizer is 0.004 to 0.01 parts, the water reducing agent is 0.002 to 0.030 parts, and the carbon fiber yarn is 0.005 to 0.03 parts.

The fiber composite multifunctional release template, wherein the fiber material layer is one of a fiber cloth, a fiber mesh cloth or a fiber board.

A method for preparing a multifunctional composite detachable template for a fiber composite material, comprising the steps of:

A. preparing a cementing material having a conductive function;

B. pouring a cementing material on the bottom of the cleaned mold without removing the template to form a first layer of cementing material; laying a fibrous material on the first layer of the cementing material to form a first layer of fibrous material; a layer of fibrous material is poured on the layer of fibrous material to form a second layer of cementing material; a layer of fibrous material is laid on the layer of the second layer of cementing material to form a second layer of fibrous material; and so on, in the last layer of fibrous material Depositing a cementitious material on the layer to form a final layer of cementitious material, and then flattening along the die to form a slab; wherein at least one layer of the fibrous material is composed of a carbon fiber reinforced composite material;

C. Covering the top plate of the mold on the slab, pre-pressing and forming the plate; curing and curing the plate to solidify the plate into a template;

D. demoulding, taking out the template, and then continuing to maintain the room temperature for a period of time, the multifunctional composite template of the fiber composite material is obtained.

The method for preparing a fiber composite material multifunctional detachable template, wherein in the step A, the gelling material layer is composed of a cementing material, and the gelling material comprises the following components by weight: 1 part of cement, 0.3 to 0.7 parts of water, 0.1 to 0.3 parts of silicon powder, 0.1 to 0.5 parts of polymer, 0.004 to 0.01 parts of plasticizer, 0.002 to 0.030 parts of water reducing agent, and 0.005 to 0.03 parts of carbon fiber.

The method for preparing a multi-functional free-form template of the fiber composite material, wherein in the step C, the pre-pressing pressure for pre-forming is 4 to 10 KN.

The method for preparing a multi-functional free-form template of the fiber composite material, wherein in the step C, the pre-pressing time for pre-forming is 1 to 3 hours.

The method for preparing a fiber composite material multifunctional detachable template, wherein in the step C, the curing temperature of the plate material is 20-25 ° C.

The method for preparing a multi-functional free-form template of the fiber composite material, wherein in the step C, the curing time of the plate material is 46 to 50 hours.

The method for preparing a multi-functional free-form template of the fiber composite material, wherein in the step D, the curing time at room temperature is 5 to 10 days.

The utility model has the advantages that the multi-functional free-form template of the fiber composite material of the invention can solve the problem of steel corrosion, protect the reinforced concrete structure, and can replace the wooden temporary template, and is free from disassembly, when used in construction engineering construction. Thereby, the main structure of the reinforced concrete can be better protected from the beginning of construction, saving social resources, protecting the environment, reducing the cost of the formwork, and greatly speeding up the construction.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a preferred embodiment of the multi-functional free-form template of the fiber composite material of the present invention.

2 is a schematic view of a reinforced concrete structure with a self-contained cathode protection function according to the present invention.

3 is a flow chart of a method for constructing a reinforced concrete structure with a self-contained cathode protection function according to the present invention.

4 is a flow chart of a method for preparing a fiber composite multifunctional release template according to the present invention.

detailed description

The present invention provides a fiber composite material multifunctional detachable template and a preparation method thereof. In order to make the object, technical solution and effect of the present invention more clear and clear, the present invention will be further described in detail below. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides a multi-functional free-removal template for a fiber composite material, wherein the multi-functional stripless template of the fiber composite material is composed of a plurality of layers of fibrous material layers and a layer of cementing material having a conductive function; wherein at least one The layer of the fibrous material is composed of a carbon fiber reinforced composite material; the upper and lower ends of the multifunctional composite detachable template of the fiber composite material are the cemented material layer, and each layer of the fibrous material layer is wrapped in two adjacent layers. Between the layers of cementitious material.

The fibrous material layer of the present invention is comprised of a fibrous material comprising a carbon fiber material and a glass fiber material. For example, it may be a fiber reinforced composite material (FRP, Fiber Reinforced Polymer/Plastic) or a carbon fiber reinforced composite material (CFRP, Carbon Fiber Reinforced Polymer/Plastic).

The type of fibrous material of the present invention is a fiber cloth, a fiber mesh cloth or a fiber board. That is, the fibrous material layer of the present invention is one of a fiber cloth, a fiber mesh cloth or a fiber board. For example, FRP cloth, FRP mesh cloth or FRP board. The specific form of the carbon fiber reinforced composite material of the present invention may also be carbon fiber cloth (CFRP cloth), carbon fiber mesh cloth (CFRP mesh cloth) or carbon fiber board (CFRP board).

The multi-functional unremovable template of the fiber composite material of the invention is also a multifunctional composite disassembly template which is mainly composed of CFRP material and has a conductive gelling material as a carrier. It can simultaneously serve as an auxiliary anode and structural reinforcement plate in the cathodic protection system, and at the same time meet the two functions of preventing steel corrosion and structural reinforcement. As a permanent detachable template for reinforced concrete buildings, it can provide long-term cathodic protection for the structure. Steel corrosion is actively intervened.

The fiber composite material multifunctional release template of the preferred embodiment of the present invention, as shown in FIG. 1, the conductive material layer of the conductive material is provided with three layers, which are respectively the first layer of cementing material layer 11 and the second layer. a layer of cementitious material layer 13, a third layer of cementitious material layer 15, the fiber material layer is provided with two layers, respectively a first layer of fibrous material layer 12, a second layer of fibrous material layer 14; the first layer of cementitious material Layer 11 and a third layer of cementitious material 15 are disposed on the upper and lower ends of the fiber composite multifunctional relief template, and the first layer of fibrous material 12 is wrapped around its adjacent first layer of cementitious material layer 11 and second Between the layers of the layer of cementitious material 13, the second layer of fibrous material 14 is wrapped between its adjacent second layer of cementitious material layer 13 and the third layer of cementitious material layer 15; wherein the first layer of fibrous material layer Both the 12 and second layers of fibrous material 14 are comprised of a carbon fiber reinforced composite material, such as a CFRP cloth.

Further, the layer of cementitious material is composed of a cementitious material, which is a cement-based inorganic cementitious material, and the cementitious material comprises the following components by weight: 1 part of cement, 0.3~ of water. 0.7 parts, 0.1 to 0.3 parts of silicon powder, 0.1 to 0.5 parts of a polymer, 0.004 to 0.01 parts of a plasticizer, 0.002 to 0.030 parts of a water reducing agent, and 0.005 to 0.03 parts of a carbon fiber.

Preferably, the layer of cementitious material has a thickness of from 0.5 mm to 10 mm, more preferably from 2 mm to 4 mm, for example, a thickness of 3 mm.

The multi-functional free-cutting template of the fiber composite material of the invention (referred to as a free-removal template) is used as a template in the construction process of the reinforced concrete structure, is free from disassembly, and can constitute a cathodic protection system to protect the steel bars embedded in the concrete. It is a permanent non-removable template that combines the dual functions of cathodic protection and structural reinforcement. It can solve the problem of steel corrosion in building construction, and can replace the use of temporary wooden formwork to save resources, protect the environment and reduce the society. Template cost and speed up construction.

It should be noted that the above-mentioned cathodic protection is also an applied current cathodic protection technology, which is proposed based on the principle of PH-potential diagram, and the protection potential is placed in the corrosion-free zone by applying a cathode current to the steel bar, thereby achieving protection. The purpose of the steel bars. The auxiliary anode is an important part of the impressed current cathodic protection system. The principle of the cathodic protection is common knowledge and will not be described here.

The multi-functional free-form template of the fiber composite material of the invention can replace the traditional wooden or steel formwork when constructing the reinforced concrete structure, and does not need to be disassembled, and can be utilized in the multi-functional free-form template of the fiber composite material when the concrete use is used. A new type of fiber composite material with cathodic protection function is a multi-functional free-removing formwork-reinforcing-concrete composite structure system. Since the structure system can pass the cathodic protection current from the beginning, the steel corrosion of the structure is actively intervened to make the steel pole And remove the harmful corrosive medium, such as chloride ions, from the surface of the concrete reinforcement to achieve the purpose of protecting the steel.

The embodiment of the invention further provides a reinforced concrete structure with a cathodic protection function, that is, a novel fiber composite multi-functional free-removal template-reinforcing-concrete composite structure with a cathodic protection function, as shown in FIG. 2, the self-contained The reinforced concrete structure with cathodic protection function includes: a formwork structure composed of a free formwork 1, a concrete 2 poured in the formwork structure, a plurality of steel bars 3 embedded in the concrete 2, and a constant current applied to the steel bars 3 External power supply 4. The plurality of steel bars 3 are electrically connected to each other; the steel bars 3, the concrete 2, the detachable template 1, and the external power source 4 are electrically connected in sequence.

In order to achieve the purpose of cathodic protection, the steel-concrete 2-concrete 2-disassembly template 1 structure system of the present invention should form a complete electrical path and smoothly transfer the cathodic protection current. Therefore, in the embodiment of the present invention, the external power source 4 is connected between the steel bar 3 and the fiber material layer in the detachable die plate 1, so that the steel bar 3, the external power source 4, and the fiber material layer form a loop to constitute a cathodic protection system. Among them, the fibrous material layer composed of CFRP material is the anode of the cathodic protection system, and the steel bar is the cathode of the cathodic protection system. The multi-functional detachable template of the fiber composite material plays the role of a combined structural material and an auxiliary anode in the reinforced concrete structure with the cathodic protection function of the invention, and the combination of long-term load, environmental factors and protection current With reliable mechanical properties, electrochemical properties and durability, it can support the new structural system while exerting the functions of structural performance enhancement and cathodic protection.

Due to the utilization of the mechanical and electrochemical properties of the multi-functional detachable template of the fiber composite material, the multi-functional detachable template of the fiber composite material plays a dual role in the composite structural material and the auxiliary anode in the new structural system, so that the structural performance Both enhanced and cathodic protection functions are effectively integrated into one system. The system adds a cathodic protection system to the foundation of the traditional combined structure, which not only follows the advantages of the combined structure, but also obtains the cathodic protection of the structure.

Preferably, the control device and the detecting device can also be added to the reinforced concrete structure with the cathodic protection function shown in FIG. 2, and the control device is connected in series in the loop formed above for controlling the current in the loop. And the detecting device is connected between the steel bar and the concrete for detecting the corrosion condition of the steel bar.

In the reinforced concrete structure shown in Fig. 2, the fiber composite material is multifunctional and free of template, and the CFRP cloth existing inside it acts as a link between the two systems of structural reinforcement and cathodic protection, and serves as both a structural reinforcement material and an auxiliary anode. The function of the cementitious material with conductive function can transmit the protection current, so that the reinforced concrete main structure can be better protected from the beginning of construction.

The CFRP material of the present invention not only has good mechanical properties, but also has a good conductivity of the CFRP material as a main component, and the electrode potential is close to the electrochemical property of the noble metal. In the present invention, the CFRP material is used as a reinforcing material on the one hand to work together with the structural engineering to improve the mechanical properties of the structure; on the other hand, as an auxiliary anode, an external cathodic protection is applied to the structure to protect the structure.

The multifunctional composite material-free template of the fiber composite material of the invention can realize the organic combination of structural reinforcement and cathodic protection in one system, and achieves the effect of treating both the symptoms and the root causes. Compared with traditional wooden or steel stencils, this fiber composite panel has high strength, corrosion resistance, good electrical conductivity and good durability. By adopting the exemption template in the invention during the construction process, the main structure can be better protected from the beginning, and the high economic cost required for the later repair can be avoided.

The multi-functional free-form template-reinforcing-concrete composite structure system of the fiber composite material according to the present invention will be free from the formwork 1, the steel bar 2 and the concrete 3 are simultaneously poured into a whole in the construction stage.

Specifically, the embodiment of the present invention provides a method for constructing a reinforced concrete structure with a cathodic protection function, as shown in FIG. 3, including the steps:

S100, preparing a free template;

S200, forming a template structure by means of a detachable template (multi-functional detachable template of fiber composite material);

S300, tie the steel bars in the formwork structure, electrically connect the steel bars, and then pour the concrete;

S400, connecting the external power supply, so that the steel bar, the concrete, the detachable template and the external power source are electrically connected in sequence, so that the whole structure is energized, so that a current loop is formed between the steel bar and the detachable template, that is, the self-contained cathodic protection function is obtained. reinforced-concrete structure.

Further, the step S300 further comprises: before the concrete is poured, detecting and ensuring good electrical connection of the steel bars in the formwork structure; after pouring the concrete, curing the poured concrete.

The reinforced concrete structure with the self-contained cathodic protection function of the present invention may be of various shape structures, not only limited to the beam structure, but also various reinforced concrete structure shapes having protection requirements, such as circular members.

The utility model provides a multi-functional free-removing template-reinforcing-concrete composite structure system for a fiber composite material with a cathodic protection function, which is based on the excellent mechanical properties, electrochemical properties and designability of the fiber composite multi-functional exfoliation template. The use of fiber composite multi-functional free-form template doubles as a combination of structural materials and auxiliary anodes, thereby integrating structural performance enhancement and cathodic protection into a new combined structural system. The structural system not only follows the advantages of the fiber reinforced composite-concrete composite structure, but also can apply a small current to the concrete reinforcement in the concrete through the CFRP material, thereby achieving the purpose of structural cathode protection. The structural system can be applied to the case where the concrete material is rich in corrosive medium or the external environment is bad, and the structural steel bars can still be adequately protected, such as representative sea sand concrete. Moreover, the double-purpose dismantling formwork in the combined structure is directly poured into the concrete at the construction stage, eliminating the labor of installing the cathodic protection system.

The invention not only provides a new concrete durability guarantee strategy for the construction engineering field, but also provides a safe and economical sea sand concrete application technology, which has broad engineering application prospects and great social significance.

The embodiment of the invention further provides a method for preparing a multi-functional free-form template (free template) of the fiber composite material as described above, as shown in FIG. 4, comprising the steps of:

S110. Preparing a gelling material having a conductive function. The cementitious material is used to affix the wrapped CFRP material.

Wherein, in the step S110, the gelling material layer is composed of a cementing material, and the gelling material comprises the following components in parts by weight: 1 part of cement, 0.3-0.7 parts of water, 0.1-0.3 of silicon powder. A portion, a polymer of 0.1 to 0.5 parts, a plasticizer of 0.004 to 0.01 parts, a water reducing agent of 0.002 to 0.030 parts, and a carbon fiber yarn of 0.005 to 0.03 parts. Among them, the high molecular polymer may be a redispersible powder or a styrene-butadiene latex.

For example, preferably, the gelling material comprises, by weight, parts by weight: 1 part of cement, 0.5 part of water, 0.1 part of silicon powder, 0.3 part of redispersible powder, 0.008 parts of plasticizer, 0.005 of water reducing agent. Parts and carbon fiber yarns were 0.015 parts, wherein the carbon fiber filaments were 2 mm long carbon fiber filaments. After the above components are mixed and mixed by machine, the prepared cement-based inorganic cementitious material can have a compressive strength of 50 MPa, a flexural strength of 8 MPa, and a conductivity of less than 0.1 S/m.

S120, pouring a cementing material on the bottom of the cleaned mold without removing the template to form a first layer of cementing material; laying a fiber material on the first layer of the cementing material to form a first layer of fibrous material; a layer of fibrous material is poured on the layer of fibrous material to form a second layer of cementing material; a layer of fibrous material is laid on the layer of the second layer of cementing material to form a second layer of fibrous material; and so on, in the last layer of fibrous material The cementitious material is poured on the layer to form a final layer of cementitious material, which is then flattened along the die to form a slab; wherein at least one layer of the fibrous material is composed of a carbon fiber reinforced composite material.

For example, in the preparation of the fiber composite multifunctional release template as described in FIG. 1, the cement material is poured on the bottom of the mold of the cleaned release template to form the first layer of cementitious material layer 11; a carbon fiber cloth (CFRP cloth) is laid on the layer of the condensed material 11 to form a first layer of the fibrous material layer 12; a cementing material is poured on the first layer of the fiber material layer 12 to form a second layer of the cementing material layer 13; a layer of cement material layer 13 is laid with a carbon fiber cloth to form a second layer of fiber material layer 14; a second layer of fiber material layer 14 is cast with a cementitious material to form a third layer of cementitious material layer 15 and then flattened along the mold. Form a slab.

S130, covering the top plate of the mold with a mold top plate, performing pre-press molding to form a plate; curing the plate (locking film curing) to solidify the plate into a template.

Wherein, the step S130 further includes preparation of a mold: preparing a mold for removing the template, cleaning the mold, and ensuring cleaning.

S140, demoulding, taking out the template, and then continuing the curing at room temperature for a period of time, obtaining the multifunctional composite template of the fiber composite material.

Further, in the step S130, the pre-compression pressure for pre-forming is 4 to 10 KN. A preferred pre-pressure pressure is 5KN.

Further, in the step S130, the pre-pressing time for performing pre-forming is 1 to 3 hours. The preferred pre-compression time is 2 h.

Further, in the step S130, the temperature at which the plate material is cured and cured is 20 to 25 °C.

Further, in the step S130, the curing time of the board is 46 to 50 hours, for example, 48 hours.

Further, in the step S140, the room temperature curing time is 5 to 10 days. The preferred room temperature curing time is 7 days.

The multi-functional free-cutting template of the fiber composite material provided by the invention adopts a CFRP material which can be used as an auxiliary anode material and structural reinforcement as a main body, and a cementing material with good conductivity is selected as a bonding agent, the permanent exemption template It is possible to carry out cathodic protection for the reinforced concrete structure from the initial stage of construction, and fundamentally avoid structural deterioration caused by steel corrosion.

In addition, under the premise of fully considering the combined structural design and cathodic protection requirements, CFRP profiles of different types and cross-sections can be selected according to the cross-section type of the components, the implementation site, the working environment, the construction operation and other factors, and the fiber composite materials can be flexibly designed. The cross-section type of the function-free template is selected, the number of layers of the cementitious material layer and the fiber material layer of the conductive function are selected, and the templates of different thicknesses are prepared to be applied to different parts of different types of structures.

The multifunctional composite stripless template of the fiber composite material comprises the multi-layer carbon fiber cloth and the cement-based inorganic cementing material, and meets the requirements of the building formwork, and has the advantages of simple structure, simple process, stable quality, strong practicability and application. Convenient, good application prospects, and significant economic and social benefits.

In summary, the present invention provides a multi-functional free-form template for a fiber composite material and a preparation method thereof, and the multi-functional strip-free template of the fiber composite material can solve the problem of steel corrosion when used in construction engineering. The reinforced concrete structure can be used instead of the wooden temporary formwork, and it is free from disassembly, so that the reinforced concrete main structure can be better protected from the beginning of construction, saving social resources, protecting the environment and reducing the cost of the formwork. Greatly speed up the construction.

It is to be understood that the application of the present invention is not limited to the above-described examples, and those skilled in the art can make modifications and changes in accordance with the above description, all of which are within the scope of the appended claims.

Claims

A multi-functional detachable template for a fiber composite material, characterized in that the multi-functional detachable template of the fiber composite material is composed of a plurality of layers of fibrous material layers and a layer of cementing material having a conductive function; wherein at least one layer The fiber material layer is composed of a carbon fiber reinforced composite material; the upper and lower ends of the fiber composite material multifunctional detachable template are the cement material layer, and each layer of the fiber material layer is wrapped in two adjacent layers. Between the layers of gelling material.
The multi-functional stripping template for a fiber composite according to claim 1, wherein the layer of cementitious material is composed of a cementitious material, and the gelling material comprises, by weight, the following components: 1 part of cement 0.3 to 0.7 parts of water, 0.1 to 0.3 parts of silicon powder, 0.1 to 0.5 parts of a polymer, 0.004 to 0.01 parts of a plasticizer, 0.002 to 0.030 parts of a water reducing agent, and 0.005 to 0.03 parts of a carbon fiber.
The fiber composite multifunctional detachable template according to claim 1, wherein the fibrous material layer is one of a fiber cloth, a fiber mesh cloth or a fiber board.
A method for preparing a multi-functional free-form template for a fiber composite material, comprising the steps of:

A. preparing a cementing material having a conductive function;

B. pouring a cementing material on the bottom of the cleaned mold without removing the template to form a first layer of cementing material; laying a fibrous material on the first layer of the cementing material to form a first layer of fibrous material; a layer of fibrous material is poured on the layer of fibrous material to form a second layer of cementing material; a layer of fibrous material is laid on the layer of the second layer of cementing material to form a second layer of fibrous material; and so on, in the last layer of fibrous material Depositing a cementitious material on the layer to form a final layer of cementitious material, and then flattening along the die to form a slab; wherein at least one layer of the fibrous material is composed of a carbon fiber reinforced composite material;

C. Covering the top plate of the mold on the slab, pre-pressing and forming the plate; curing and curing the plate to solidify the plate into a template;

D. demoulding, taking out the template, and then continuing to maintain the room temperature for a period of time, the multifunctional composite template of the fiber composite material is obtained.
The method for preparing a multi-functional detachable template for a fiber composite according to claim 4, wherein in the step A, the layer of the cement material is composed of a cement material, and the gel material is in parts by weight. , including the following components: 1 part of cement, 0.3-0.7 parts of water, 0.1-0.3 parts of silicon powder, 0.1-0.5 parts of polymer, 0.004-0.01 part of plasticizer, 0.002-0.030 parts of water reducing agent and carbon fiber 0.005 to 0.03 parts.
The method for preparing a multi-functional stripless template for a fiber composite according to claim 4, wherein in the step C, the pre-pressing pressure for pre-forming is 4 to 10 KN.
The method for preparing a multi-functional stripless template for a fiber composite according to claim 4, wherein in the step C, the pre-pressing time for pre-forming is 1 to 3 hours.
The method for preparing a fiber composite multifunctional detachable template according to claim 4, wherein in the step C, the curing temperature of the plate material is 20 to 25 °C.
The method for preparing a fiber composite multifunctional detachable template according to claim 4, wherein in the step C, the curing time of the sheet material is 46 to 50 hours.
The method for preparing a fiber composite multifunctional detachable template according to claim 4, wherein in the step D, the curing time at room temperature is 5 to 10 days.