CN211851013U - Prefabricated high-ductility concrete reinforcing device for masonry wall - Google Patents
Prefabricated high-ductility concrete reinforcing device for masonry wall Download PDFInfo
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- CN211851013U CN211851013U CN201922449601.1U CN201922449601U CN211851013U CN 211851013 U CN211851013 U CN 211851013U CN 201922449601 U CN201922449601 U CN 201922449601U CN 211851013 U CN211851013 U CN 211851013U
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Abstract
The utility model discloses a prefabricated high-ductility concrete reinforcing device for masonry walls, which comprises a prefabricated high-ductility concrete wallboard, studs, anchoring parts and a bonding material layer; the high-ductility concrete wallboard is provided with a groove running through two ends of the high-ductility concrete wallboard, one end of each stud is embedded in the bottom surface of the groove, and the other end of each stud is reserved outside the high-ductility concrete wallboard; a reserved hole for implanting an anchoring part is formed in the high-ductility concrete wallboard outside the groove; the bonding material is poured in the groove to form the bonding material layer, and the thickness of the bonding material layer is the same as the depth of the groove. The utility model discloses a high ductility concrete, peg, anchor assembly and bonding material layer form prefabricated construction, wherein high ductility concrete's high toughness, high crack resistance and high resistant damage ability, with peg, anchor assembly and bonding material cooperation can effectively improve the anti-seismic performance of component.
Description
Technical Field
The utility model belongs to the technical field of building structure antidetonation and reinforcement, concretely relates to prefabricated high ductility concrete reinforcing apparatus of brickwork wall.
Background
Masonry is a long-standing building material and is widely applied to the infrastructure of China. On one hand, the old masonry structure is long in construction time and is difficult to meet the existing earthquake-resistant standard requirement; on the other hand, the self-built masonry structure is mostly free from the normal anti-seismic design, the structural arrangement is random, the structural form is various, and the anti-seismic requirement cannot be met. The past earthquake damage of China in the last decade indicates that a masonry structure lacking earthquake-resistant measures is difficult to survive in strong earthquake, and earthquake-resistant reinforcement is urgently needed to improve the earthquake-resistant capacity of the masonry structure.
The traditional reinforcement methods at present comprise a section increasing method, a steel wrapping reinforcement method, a steel bonding reinforcement method, a structural system changing method, a composite material bonding reinforcement method, a prestress reinforcement method, a steel strand-polymer mortar reinforcement method, a comprehensive reinforcement method, an energy dissipation and shock absorption method for additionally arranging energy dissipation and shock isolation devices and the like, but the traditional reinforcement method has large influence on the environment, is complex in construction process and long in period and cannot be completed in a short time.
Disclosure of Invention
In order to solve the problem, the utility model provides a prefabricated high-ductility concrete reinforcing apparatus of brickwork wall solves current brickwork wall and consolidates method and device and easily receives the problem of environmental impact, construction cycle length.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a prefabricated high-ductility concrete reinforcing device for masonry walls comprises high-ductility concrete wallboards, studs, anchoring pieces and a bonding material layer; the high-ductility concrete wallboard is provided with a groove penetrating through two ends of the high-ductility concrete wallboard, one end of the stud is embedded in the bottom surface of the groove, and the other end of the stud is reserved outside the high-ductility concrete wallboard; a reserved hole for implanting an anchoring part is formed in the high-ductility concrete wallboard outside the groove; the bonding material is poured in the groove to form the bonding material layer, and the thickness of the bonding material layer is the same as the depth of the groove.
Specifically, high ductility concrete wallboard include a plurality of high ductility concrete wallboard units, the both ends of every high ductility concrete wallboard unit are provided with female groove and public groove respectively, a plurality of high ductility concrete wallboard units pass through public groove and the seamless high ductility concrete wallboard that splices into of female groove.
Preferably, the high-ductility concrete wallboard unit is 600-1200 mm long and 300-1000 mm high; the thickness of the wall board at the bottom of the groove is 15-20 mm, and the thickness of the wall board outside the groove is 20-40 mm or 40-100 mm; the depth of the groove is 5-15 mm.
Preferably, the distance between two adjacent preformed holes along the height direction of the masonry wall is 100-400 mm.
Preferably, the horizontal distance between two adjacent embedded studs is 200-400 mm, and the vertical distance is 100-300 mm.
Specifically, the high-ductility concrete wallboard is a straight line type or an L type, and the grooves are formed in two surfaces of the L type wallboard.
Specifically, be provided with multichannel fibre net check cloth in the high ductility concrete wallboard, the distance between the bundle of fibre net check cloth and the bundle is 5 ~ 30 mm.
Specifically, the steel bar is an expansion bolt or a threaded steel bar.
Specifically, the bonding material is high-ductility concrete, cement mortar, grouting material and anti-crack mortar.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a high ductility concrete, peg, anchor assembly and bonding material layer form prefabricated construction, wherein high ductility concrete's high toughness, high crack resistance and high resistant damage ability, with peg, anchor assembly and bonding material cooperation can effectively improve the anti-seismic performance of component.
(2) The structure of the utility model is a prefabricated body, the operation is simple, the construction process of drilling, bar planting and wallboard grouting is simple, the requirement on constructors is low, common constructors can complete the construction, and technical personnel with stronger specialty are not needed; and the wall surface is smooth after reinforcement, and the using function and the building appearance of the structure are not influenced.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
Fig. 1 is a plan view of a reinforcing device according to an embodiment of the present invention.
Fig. 2 is a front view of a high-ductility concrete wall panel unit according to an embodiment of the present invention.
Fig. 3 is an installation schematic diagram of an L-shaped high-ductility concrete wall panel according to an embodiment of the present invention.
Fig. 4 is a schematic view of the installation of a linear high-ductility concrete wall panel according to an embodiment of the present invention.
Fig. 5 shows a shape of a fiber mesh fabric according to an embodiment of the present invention.
The reference numerals in the figures denote:
1-high-ductility concrete wallboard, 2-stud, 3-anchoring piece, 4-binding material layer, 5-masonry wall and 6-fiber grid cloth;
101-groove, 102-preformed hole, 103-high ductility concrete wallboard unit, 104-female groove and 105-male groove.
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 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 present invention provides a prefabricated high-ductility concrete reinforcing apparatus for masonry wall, which includes a high-ductility concrete wall panel 1, studs 2, anchoring members 3 and a bonding material layer 4. The utility model discloses a high ductility concrete wallboard 1 is prefabricated construction, is provided with the recess 101 that link up its both ends on the high ductility concrete wallboard 1, and the one end of peg 2 is pre-buried in the bottom surface of recess 101, and the other end is reserved outside high ductility concrete wallboard 1. The high-ductility concrete wall panel 1 except the groove 101 is provided with a prepared hole 102 for implanting the anchor member 3. The cementitious material is poured into the recess 101 to form a cementitious layer 4 which acts as a connector to secure the high-ductility concrete panel 1 to the masonry wall 5. The thickness of the layer of adhesive material 4 is the same as the depth of the recess 101.
As the utility model discloses an optimal scheme, high ductile concrete wallboard 1 is formed by the seamless concatenation of a plurality of high ductile concrete wallboard units 103, specifically is: two female grooves 104 and two male grooves 105 are respectively arranged at two ends of each high-ductility concrete wallboard unit 103, and the high-ductility concrete wallboard units 103 are seamlessly spliced into the integral high-ductility concrete wallboard 1 sequentially through the female grooves 104 and the male grooves 105. In the embodiment, the length of the female slot 104 and the male slot 105 is 60-100 mm, and the height thereof is 30-60 mm.
The shape of the high-ductility concrete wallboard 1 is arranged into a straight line shape or an L shape according to actual needs, wherein the straight line shape is arranged on the wall surface of the masonry wall 5, as shown in fig. 4; the L-shaped high-ductility concrete wall panel is fixed at the corners of the masonry wall as shown in fig. 3, wherein both faces of the L-shaped wall panel are provided with grooves 101 as shown in fig. 1. In the embodiment, the length L1 of the high-ductility concrete wall panel unit 103 is 600-1200 mm, the height L2 is 300-1000 mm, the wall panel thickness S1 at the bottom of the groove 101 is 15-20 mm, the wall panel thickness S2 outside the groove 101 is 20-40 mm or 40-100 mm, wherein S2-40 mm is the thickness of the straight wall panel at the position, and S2-40-100 mm is the thickness of the corner of the L-shaped wall panel. The depth S3 of the groove 101 is 5-15 mm, and the thickness of the bonding material layer 4 is 5-15 mm.
As the utility model discloses an optimal scheme for inserting anchor assembly 3's preformed hole 102 sets up in the both sides of high ductility concrete wallboard unit 103, and interval h1 between two adjacent preformed holes 102 on the brickwork wall direction of height is 100 ~ 400mm, and the aperture of preformed hole 102 is more than or equal to 8mm, and the diameter of the anchor assembly 3 that corresponds is more than or equal to 6 mm.
As the preferred scheme of the utility model, anchor assembly 3 is expansion bolts or twisted steel, and anchor assembly 3's length is 100 ~ 150 mm.
As the utility model discloses an optimal scheme, the horizontal interval S3 of two adjacent pre-buried pegs 2 is 200 ~ 400mm, and vertical interval h2 is 100 ~ 300mm, and the length of peg 2 is 8 ~ 15 mm.
The utility model discloses an optional high ductility concrete of bonding material, cement mortar, grout material or anti-crack mortar.
As an alternative of the present invention, a plurality of fiber mesh cloths 6 are provided in the high-ductility concrete wall panel 1, as shown in fig. 5. The fiber mesh cloth has high tensile strength, can meet the requirement of reinforcement by pouring a very thin layer of high-ductility concrete, hardly changes the section size of a repaired component, is not afraid of corrosion, and can be used for reinforcement repair in severe environment; in addition, the diameter of the fiber bundle of the fiber mesh cloth is very small, which is beneficial to the multilayer arrangement. In this embodiment, the fiber mesh cloth has 1 to 3 layers, and the distance S4 between the bundles of the fiber mesh cloth is 5 to 30 mm. The fiber mesh cloth can be selected from carbon fiber mesh cloth, glass fiber mesh cloth, basalt fiber mesh cloth or PBO fiber mesh cloth.
The utility model discloses the component of well used high ductility concrete is cement, fly ash, silica fume, sand, PVA fibre, water-reducing agent and water, according to mass percent, cement: fly ash: silica fume: sand: water 1: 0.9: 0.1: 0.76: 0.58; the volume blending amount of the PVA fiber is 1.5 percent by taking the total volume of the cement, the fly ash, the silica fume, the sand and the water which are uniformly mixed as a base number; the addition amount of the water reducing agent is 0.8 percent of the total mass of the cement, the fly ash and the silica fume. Wherein: the maximum grain size of the sand is 1.26 mm; the PVA fiber is PA600 fiber produced by Shanghai Royo science and technology Limited, the length is 8mm, the diameter is 26 μm, the tensile strength is 1200MPa, and the elastic modulus is 30 GPa; the cement is P.O.52.5R portland cement; the fly ash is I-grade fly ash; the loss on ignition of the used silica fume is 5 percent, and the content of the silicon dioxide is 88 percentThe specific surface area is 18000m 2/kg; the water reducing agent is a polycarboxylic acid high-efficiency water reducing agent with the water reducing rate of more than 30 percent, and the polycarboxylic acid water reducing agent is produced by Jiangsu Bott new material Co
Type I polycarboxylic acid high-performance water reducing agent.
Combine above-mentioned embodiment, the brickwork wall uses the brick wall as the example, and is right the utility model discloses a reinforcing method of reinforcing apparatus explains:
the method comprises the following steps: tightly attaching the prefabricated high-ductility concrete wall panel unit 103 to a masonry wall needing to be reinforced;
step two: drilling holes through the preformed holes 102 of the wall plate by using a drilling machine, inserting the anchoring pieces 3 and fixing, and if the anchoring pieces 3 are expansion bolts, screwing the expansion bolts; if the anchoring piece 3 is a screw rod, the screw rod is inserted and then fixed by a nut. Filling the gap with a filling material to be dense;
step three: pouring cement mortar into the gap between the high-ductility concrete wall panel unit 103 and the masonry wall, slightly vibrating, and densely filling to form a bonding material layer 4;
step four: and (3) connecting the high-ductility concrete wall panel unit 103 to the wall panel with the installed bottom through the female groove 104 and the male groove 105 according to the steps from one step to three until the whole reinforcing process is finished.
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 (9)
1. A prefabricated high-ductility concrete reinforcing device for masonry walls is characterized by comprising a high-ductility concrete wallboard (1), studs (2), anchoring pieces (3) and a bonding material layer (4);
the high-ductility concrete wallboard (1) is provided with a groove (101) penetrating through two ends of the high-ductility concrete wallboard, one end of the stud (2) is embedded in the bottom surface of the groove (101), and the other end of the stud is reserved outside the high-ductility concrete wallboard (1); a preformed hole (102) for implanting an anchoring piece (3) is formed in the high-ductility concrete wallboard (1) at the part outside the groove (101);
the bonding material is poured in the groove (101) to form the bonding material layer (4), and the thickness of the bonding material layer (4) is the same as the depth of the groove (101).
2. The prefabricated high-ductility concrete reinforcement device for masonry walls according to claim 1, wherein the high-ductility concrete wall panel (1) comprises a plurality of high-ductility concrete wall panel units (103), a female groove (104) and a male groove (105) are respectively formed at two ends of each high-ductility concrete wall panel unit (103), and the plurality of high-ductility concrete wall panel units (103) are seamlessly spliced into the high-ductility concrete wall panel (1) through the female groove (104) and the male groove (105).
3. The precast high-ductility concrete reinforcing device for masonry walls according to claim 2, wherein the high-ductility concrete wall panel unit (103) has a length of 600 to 1200mm and a height of 300 to 1000mm, the wall panel thickness at the bottom of the groove (101) is 15 to 20mm, and the wall panel thickness outside the groove (101) is 20 to 40mm or 40 to 100 mm; the depth of the groove (101) is 5-15 mm.
4. The precast high ductility concrete reinforcing apparatus of masonry wall according to claim 1, characterized in that the interval between two adjacent prepared holes (102) in the height direction of the masonry wall is 100 to 400 mm.
5. The precast high-ductility concrete reinforcing device for masonry walls according to claim 1, characterized in that the horizontal spacing between two adjacent embedded studs (2) is 200-400 mm, and the vertical spacing is 100-300 mm.
6. The precast high-ductility concrete reinforcing device for masonry walls according to claim 1, characterized in that the high-ductility concrete wall panel (1) is in a straight shape or an L shape, and the grooves (101) are arranged on both surfaces of the L-shaped wall panel.
7. The precast high-ductility concrete reinforcing device for masonry walls according to claim 1, characterized in that a plurality of fiber mesh cloths (6) are arranged in the high-ductility concrete wall panel (1), and the distance between bundles of the fiber mesh cloths is 5-30 mm.
8. The precast high-ductility concrete reinforcing device of masonry wall according to claim 1, characterized in that the anchoring member (3) is an expansion bolt or a threaded steel bar; the length of the anchoring piece (3) is 100-150 mm.
9. The precast high ductility concrete reinforcement of masonry wall according to claim 1, wherein said bonding material is high ductility concrete, cement mortar, grouting material, anti-crack mortar.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922449601.1U CN211851013U (en) | 2019-12-30 | 2019-12-30 | Prefabricated high-ductility concrete reinforcing device for masonry wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922449601.1U CN211851013U (en) | 2019-12-30 | 2019-12-30 | Prefabricated high-ductility concrete reinforcing device for masonry wall |
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| CN211851013U true CN211851013U (en) | 2020-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908993A (en) * | 2022-05-06 | 2022-08-16 | 上海市建筑科学研究院有限公司 | Brick wall reinforcing method based on cyclic polyolefin resin and prefabricated high-ductility cement-based composite material plate |
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2019
- 2019-12-30 CN CN201922449601.1U patent/CN211851013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908993A (en) * | 2022-05-06 | 2022-08-16 | 上海市建筑科学研究院有限公司 | Brick wall reinforcing method based on cyclic polyolefin resin and prefabricated high-ductility cement-based composite material plate |
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