CN211851010U

CN211851010U - Brickwork wall strip reinforcing apparatus

Info

Publication number: CN211851010U
Application number: CN201922426682.3U
Authority: CN
Inventors: 邓明科; 田婷; 张艺龙
Original assignee: Xi'an Wuhe Civil Engineering New Material Co ltd
Current assignee: Xi'an Wuhe New Material Technology Group Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-03
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a masonry wall strip reinforcing device, which comprises a high-ductility concrete surface layer which is pressed and smeared on the original masonry wall, fiber gridding cloth and a groove which is arranged at the mortar joint of the original masonry wall; the high-ductility concrete surface layer is in a strip shape which extends 200-800 mm to the center of the original masonry wall along the peripheral edge of the original masonry wall; the groove is located at the bottom of the high-ductility concrete surface layer, the depth of the groove is 30-100 mm, and high-ductility concrete is filled in the groove; the fiber mesh cloth is arranged in the high-ductility concrete surface layer. The utility model discloses a high ductility concrete surface course is smeared to the surface pressure at the former structure of brickwork to at inside composite fiber net cloth, utilize the good shear behavior of fibre establishment net cloth, high tensile strength and the superior mechanical properties combined work of II types of high ductility concrete improve masonry structure's bearing capacity and wholeness.

Description

Brickwork wall strip reinforcing apparatus

Technical Field

The utility model belongs to the technical field of building structure antidetonation and reinforcement, concretely relates to brickwork wall strip reinforcing apparatus.

Background

The masonry structure is the main existing form of house building in China, widely exists in rural areas, is mostly civil self-construction, so the construction quality is difficult to guarantee and the difference is great, and the general masonry structure is mainly built by blocks and mortar, and has relatively low strength, great discreteness, low tensile, shear and bending bearing capacity and poor integrity. After the masonry is cracked under various external loads, the bearing capacity of the masonry is rapidly reduced, collapse is easy to occur, huge casualties and serious economic losses are easy to cause, and the masonry structure is often faced with serious safety problems by integrating the construction level of vast rural areas.

The traditional reinforcing method is based on the improvement of the bending resistance and the shearing resistance, but because the traditional reinforcing materials such as cement mortar, concrete and the like are brittle materials, the ductility and the energy consumption capability of a masonry structure cannot be effectively improved, the brittle failure mode of the masonry structure cannot be improved, the construction is complex, the cost is higher, the existing reinforced concrete reinforcing technology which is adopted frequently increases the original reinforcing section, the space is reduced, and the outer vertical surface is changed. For rural buildings, farmers have no redundant funds and are not willing to invest excessive funds for structural reinforcement; the normal use of the resident cannot be influenced during the strengthening period. Therefore, the cost is low for reinforcing rural houses, the reinforcing period is short, and the influence on residents is small.

Disclosure of Invention

In order to solve the problem, the utility model provides a brickwork wall strip reinforcing apparatus mainly aims at the reinforced problem in rural dangerous room.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a masonry wall strip reinforcing device comprises a high-ductility concrete surface layer which is pressed and smeared on an original masonry wall, fiber grid cloth and a groove which is arranged at a mortar joint of the original masonry wall; the high-ductility concrete surface layer is in a strip shape which extends to the center of the original masonry wall by 200-800 mm along the peripheral edge of the original masonry wall; the groove is located at the bottom of the high-ductility concrete surface layer, the depth of the groove is 30-100 mm, and high-ductility concrete is filled in the groove; the fiber mesh cloth is arranged in the high-ductility concrete surface layer.

Preferably, the grooves are arranged in regions, and the distance between adjacent groove regions is 600-1000 mm; the length of each groove area along the horizontal direction is 200-600 mm, and the height along the vertical direction is 200-600 mm.

Preferably, the thickness of the high-ductility concrete surface layer is 10-30 mm.

Preferably, the number of the fiber mesh cloth laying layers is 1-3, and the distance between fiber mesh cloth bundles is 5-30 mm.

Preferably, the fiber mesh cloth comprises carbon fiber mesh cloth, glass fiber mesh cloth, basalt fiber mesh cloth or PBO fiber mesh cloth.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a high ductility concrete surface course is smeared to the surface pressure at the former structure of brickwork to at inside composite fiber net cloth, utilize the good shear behavior of fibre establishment net cloth, high tensile strength and the superior mechanical properties combined work of II types of high ductility concrete improve masonry structure's bearing capacity and wholeness.

(2) The utility model discloses the construction is simple and convenient, swift, and it is thinner to consolidate the surface course, and only consolidates all around to the wall body, and basically there is not the harm to the wall body, and reinforced (rfd) masonry structure house wholeness is better, has good durability. The utility model discloses a comparatively cheap of reinforcement raw materials, especially be fit for the rural house and consolidate, can solve the not high problem of rural house reinforcement budget.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

Fig. 1 is a schematic view of the overall structure of a masonry wall strip reinforcing device.

Fig. 2 is a schematic cross-sectional view of fig. 1.

Fig. 3 is a schematic view of the distribution of the groove area of the masonry wall strip reinforcement device.

Fig. 4 is a schematic view of a fiber mesh cloth.

The reference numerals in the figures denote:

1-high-ductility concrete surface course, 2-fiber grid cloth, 3-groove, 4-original masonry wall and 5-groove area.

The following detailed description of the present invention is provided in connection with the accompanying drawings and the detailed description of the invention.

Detailed Description

The utility model discloses a reinforced structure is mainly to designing the not enough or structure of bearing capacity and unsatisfying rural area critical building brick masonry structure or building block masonry structure who requires.

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

In the present invention, unless otherwise specified, the terms of orientation such as "upper and lower" are generally defined with reference to the drawing plane of the corresponding drawing, and "inner and outer" are defined with reference to the outline of the corresponding drawing.

As shown in fig. 1, the embodiment of the utility model provides a masonry wall strip reinforcing apparatus who records, this reinforcing apparatus is including pressing and smearing high ductility concrete surface course 1, fibre net check cloth 2 and the recess 3 of setting in former masonry wall mortar joint department on former masonry wall 4.

The groove 3 is formed by buckling a mortar joint of a partial area on the original masonry wall 4 to a certain depth, and the depth of the groove 3 is preferably 30-100 mm.

High ductility concrete surface course 1 is the strip form that extends 200 ~ 800mm to former brickwork wall center along former brickwork wall 4 all around along edge, as shown in fig. 1, and high ductility concrete surface course 1 is pressed and is smeared at the upper edge and the left and right edge department of former brickwork wall 4, and the high ductility concrete surface course handing-over department at upper edge and left and right edge department makes the convex transition region to former brickwork wall 4 center. The thickness of the high-ductility concrete surface layer 1 is 10-30 mm. It should be noted here that when the high-ductility concrete is pressed, the mortar surface layer in the range on the original masonry wall 4 needs to be cleaned first, and then the high-ductility concrete needs to be pressed.

The position of recess 3 is located the bottom of high ductility concrete surface course 1, and it has high ductility concrete to fill in the recess 3 the utility model discloses in, recess 3 is regional setting, as shown in fig. 3, and the interval of adjacent recess region 5 is 600 ~ 1000 mm. Specifically, the length of each groove area 5 in the horizontal direction is 200-600 mm, and the height in the vertical direction is 200-600 mm.

The fibre scrim 2 is arranged within the high-ductility concrete facing 1 as shown in figure 2. The width of the fiber mesh cloth 2 is the same as that of the high-ductility concrete surface layer 1, the number of the fiber mesh cloth 2 layers is preferably 1-3, and the distance between the fiber mesh cloth 2 bundles is 5-30 mm. The fiber mesh cloth is arranged in different directions such as horizontal, forward, oblique or mixed sticking.

The fiber mesh cloth 2 in this embodiment is preferably a carbon fiber mesh cloth, a glass fiber mesh cloth, a basalt fiber mesh cloth, or a PBO fiber mesh cloth.

The utility model discloses a high ductility concrete be II types of high ductility concrete. The II-type high-ductility concrete is an ecological building material with high strength, high ductility, high durability and high damage resistance, has good bonding performance with a masonry structure, is used for wrapping the masonry structure, enhances the constraint effect on a wall body, and can obviously improve the integrity and the bearing capacity of a masonry structure house.

The II-class high-ductility concrete comprises the following components in parts by mass: 464-638 parts of cement, 538-710 parts of fly ash, 97-285 parts of mineral powder, 50-197 parts of silica fume, 530-889 parts of quartz sand, 6-12 parts of fiber and 410-520 parts of water, wherein the volume mixing amount of PVA is 1-2% based on the total volume of the cement, the fly ash, the silica fume, the mineral powder, the sand and the water after being uniformly mixed.

The following is given the utility model discloses a reinforcing apparatus's reinforcement step:

the method comprises the following steps: cleaning a mortar surface layer of the original masonry wall 4 with the four inward sides within the range of 200-800 mm;

step two: arranging groove areas 5 according to the distance, namely, buckling off mortar joints with the depth of 30-100 mm in the areas;

step three: pressing and smearing a layer of high-ductility concrete, and then paving a layer of fiber mesh cloth 2;

and if a plurality of layers of fiber mesh cloth 2 need to be laid, pressing and smearing the high-ductility concrete and laying the fiber mesh cloth 2 according to the sequence of the step three.

Step four: and finally, a layer of high-ductility concrete surface layer is pressed and smeared to the designed thickness.

In the above description, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be understood broadly, and may be, for example, fixedly connected or detachably connected or integrated; either a direct connection or an indirect connection, and the like. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.

The various features described in the foregoing detailed description can be combined in any suitable manner without departing from the spirit of the invention, and should also be construed as disclosed in the invention.

Claims

1. A masonry wall strip reinforcing device is characterized by comprising a high-ductility concrete surface layer (1) which is pressed and smeared on an original masonry wall (4), fiber grid cloth (2) and a groove (3) which is arranged at a mortar joint of the original masonry wall;

the high-ductility concrete surface course (1) is in a strip shape which extends to the center of the original masonry wall by 200-800 mm along the peripheral edge of the original masonry wall (4);

the groove (3) is positioned at the bottom of the high-ductility concrete surface layer (1), the depth of the groove (3) is 30-100 mm, and the groove (3) is filled with high-ductility concrete; the fiber mesh cloth (2) is arranged in the high-ductility concrete surface layer (1).

2. The masonry wall strip reinforcement device according to claim 1, characterized in that the grooves (3) are arranged in zones, and the distance between adjacent groove zones (5) is 600-1000 mm; the length of each groove area (5) along the horizontal direction is 200-600 mm, and the height along the vertical direction is 200-600 mm.

3. Masonry wall strip reinforcement according to claim 1, characterised in that the thickness of the high ductility concrete face (1) is 10-30 mm.

4. The masonry wall strip reinforcement device according to claim 1, wherein the number of the fiber mesh cloth (2) is 1-3, and the distance between the bundles of the fiber mesh cloth (2) is 5-30 mm.

5. Masonry wall strip reinforcement according to claim 1, characterized in that the fiber mesh cloth (2) is a carbon fiber mesh cloth, a glass fiber mesh cloth, a basalt fiber mesh cloth or a PBO fiber mesh cloth.

6. The masonry wall strip reinforcement system defined in claim 1, wherein said high-ductility concrete is a class ii high-ductility concrete.