CN204299205U - The pre-applied force equipment in reinforcing wall crack - Google Patents
The pre-applied force equipment in reinforcing wall crack Download PDFInfo
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- CN204299205U CN204299205U CN201420742331.8U CN201420742331U CN204299205U CN 204299205 U CN204299205 U CN 204299205U CN 201420742331 U CN201420742331 U CN 201420742331U CN 204299205 U CN204299205 U CN 204299205U
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Abstract
The utility model discloses the pre-applied force equipment in reinforcing wall crack, belong to technical field of buildings, its structure comprises many bars bolt, backing plate and clamp nut; Many bars bolt comprises a connector and multiple bolt column, and multiple bolt column comprises two the stay bolt posts be arranged in the middle part of connector and the multiple lag bolt posts being arranged on both ends, connector left and right; Many bars bolt comprises multiple, and multiple bolt column penetrates body of wall respectively, and wherein two stay bolt posts pass body of wall respectively, and its end is provided with screw thread, and fastening by clamp nut, and the stay bolt post between clamp nut and body of wall is also provided with backing plate.The utility model has many bars bolt and bears a certain amount of pulling force of wall section, by the size of reinforcing, carrys out the size of control critical eigenvalue cracking; Many bars bolt and body of wall co-operation stressed; Greatly save amount of reinforcement, can the size of effective control critical eigenvalue, overall economic efficiency high.
Description
Technical field
The utility model relates to a kind of technical field of buildings, especially a kind of pre-applied force equipment of reinforcing wall crack.
Background technology
In present stage house, the building of brick mixed building body structure account for sizable ratio, and the contraction usually caused expanding with heat and contract with cold, under moisture expansion and drying shrinkage condition due to material is inconsistent and cause wall crazing; In addition, in masonry structure, often because (blowing out) vibration or uneven settlement of foundation cause wall crazing, thus affect the attractive in appearance of building and using function, the crack problem of masonry structure becomes the maximum problem of house customer complaint.Masonry belongs to fragile material, and the existence in crack reduces the quality of body of wall, as globality, durability and anti-seismic performance, and to occupants in perception with cause harmful effect psychologically.
With this type of crack of pre-treatment, many employing joint filling methods, mud jacking, additional mesh sheet method and displacement method etc., and according to requirement of engineering, these Combination of Methods use.Adopt these mode process cracks existing, although crack can be filled and led up by temporary closure, but because development also can be continued in crack under temperature in four seasons from now on and humidity alternate cycles, these method for repairing and mending existing can not tackle the problem at its root, after crossing certain hour, its wall body slit also can manifest, and even expands, also need to repeat to repair, be difficult to thoroughly process crack problem.
Pick seam and bury muscle method once as the method for traditional reinforcing masonry structure, due to can not the size of good control critical eigenvalue, be added into " masonry bearing capacity design specifications " GB50702-2011, make us that it's rather a pity.
At present, the solution also do not had.
Utility model content
Technical assignment of the present utility model is the pre-applied force equipment providing a kind of reinforcing wall crack for above-mentioned deficiency of the prior art, the pre-applied force equipment in this reinforcing wall crack has and can add accurate power arbitrarily on many bars bolt, many bars bolt is allowed to bear a certain amount of pulling force of wall section, by the size of reinforcing, carry out the size of control critical eigenvalue cracking; When body of wall is stressed, many bars bolt and body of wall co-operation; Compared with reinforcing thermal cracking with total cross-section steel mesh reinforcement, greatly save amount of reinforcement, bury compared with muscle method with traditional seam that picks, can the size of effective control critical eigenvalue, the feature that overall economic efficiency is high.
The utility model solves the technical scheme that its technical problem adopts:
The pre-applied force equipment in reinforcing wall crack: it comprises many bars bolt, backing plate and clamp nut;
Described many bars bolt comprises a connector and multiple bolt column, described multiple bolt columns are separately positioned on the homonymy of connector, described multiple bolt columns comprise two the stay bolt posts be arranged in the middle part of connector and the multiple lag bolt posts being arranged on both ends, connector left and right, the lag bolt post of connector left part and right part is symmetrical arranged in the middle part of connector, the length of two described stay bolt posts is greater than the width of body of wall, the length of lag bolt post is less than the width of body of wall, and described connector and multiple bolt column are made up of reinforcing bar respectively;
Described many bars bolt comprises multiple, respectively centered by crack between the upper and lower every setting, multiple bolt columns of each many bars bolt penetrate body of wall respectively, wherein two stay bolt posts at middle part pass body of wall respectively, its end is provided with screw thread, and fastening by clamp nut, the stay bolt post between described clamp nut and body of wall is also provided with backing plate.
Described lag bolt post comprises two, is symmetricly set on the two ends, left and right of connector respectively.
The excircle of two described lag bolt posts is respectively arranged with screw thread, and its front end is respectively pointed design.
The two ends, front side of described backing plate are respectively arranged with reinforcing rib, described reinforcing rib comprises cylindrical portion and sharp portion, described sharp portion is arranged on the front end of cylindrical portion, rear end and the backing plate of cylindrical portion fix, the reinforcing rib at described two ends penetrates body of wall respectively, and the length of reinforcing rib is less than the width of body of wall.
The method in reinforcing wall crack, comprises the following steps:
(1) mud jacking is adopted to repair wall body slit: the crack repairing glue by low viscosity, high strength injects in chamber, crack;
(2) many bars bolt is anchored into body of wall: first holed respectively at wall body slit two ends, by the stay bolt post of many bars bolt and lag bolt post along the hole that body of wall gets out, vertical direction penetrates body of wall, backing plate is inserted in by the stay bolt post of the many bars bolt through body of wall, again cover is had on the stay bolt post of backing plate and be inserted in clamp nut, while tightening clamp nut, reinforcing rib on front side of backing plate stretches into body of wall, fracture is applied with certain pressure, many bars bolt power that also fracture pre-add is certain simultaneously, and then with anchoring adhesive, many bars bolt is anchored into body of wall.
The pre-applied force equipment in reinforcing wall crack of the present utility model compared to the prior art, there is following outstanding beneficial effect: by augmentor by fastening for the clamp nut on the stay bolt post that passes outside body of wall, accurate power can be added arbitrarily on many bars bolt, many bars bolt is allowed to bear a certain amount of pulling force of wall section, by the size of reinforcing, carry out the size of control critical eigenvalue cracking; When many bars bolt stay bolt post fracture pre-applied force and damage body of wall, when fracture pre-applied force is inoperative, lag bolt post can play fracture pre-applied force equally, and crackle preventing splits again; When body of wall is stressed, many bars bolt and body of wall co-operation, simultaneously stressed; Backing plate is provided with reinforcing rib, and can make reinforcing rib stressed work simultaneously, fracture pre-applied force, reduce crack, crackle preventing splits again; Adopt the method in reinforcing wall crack of the present utility model, compared with reinforcing thermal cracking with total cross-section steel mesh reinforcement, greatly save amount of reinforcement, bury compared with muscle method with traditional seam that picks, can the size of effective control critical eigenvalue, overall economic efficiency high.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of the pre-applied force equipment in reinforcing wall crack;
Accompanying drawing 2 is the A-A sectional views shown in Fig. 1;
Accompanying drawing 3 is backsight structural representations of the pre-applied force equipment in reinforcing wall crack;
Accompanying drawing 4 is main TV structure schematic diagrames that the pre-applied force equipment in reinforcing wall crack is positioned at body of wall;
Description of reference numerals:
1, many bars bolt, 11, connector, 12, stay bolt post, 13, lag bolt post;
2, backing plate, 21, reinforcing rib, 210, cylindrical portion, 211, sharp portion;
3, clamp nut;
4, body of wall;
5, crack.
Detailed description of the invention
With reference to Figure of description 1 to accompanying drawing 4, the pre-applied force equipment in reinforcing wall crack of the present utility model is described in detail below.
The pre-applied force equipment in reinforcing wall crack of the present utility model, its structure comprises many bars bolt 1, backing plate 2 and clamp nut 3;
Described many bars bolt 1 comprises a connector 11 and multiple bolt column, described multiple bolt columns are separately positioned on the homonymy of connector 11, described multiple bolt columns comprise two the stay bolt posts 12 be arranged in the middle part of connector 11 and the multiple lag bolt posts 13 being arranged on connector about 11 both ends, the lag bolt post 13 of connector 11 left part and right part is symmetrical arranged in the middle part of connector 11, the length of two described stay bolt posts 12 is greater than the width of body of wall 4, the length of lag bolt post 13 is less than the width of body of wall 4, described connector 11 and multiple bolt column are made up of reinforcing bar respectively,
Described many bars bolt 1 comprises multiple, respectively centered by crack 5 between the upper and lower every setting, multiple bolt columns of each many bars bolt 1 penetrate body of wall 4 respectively, wherein two stay bolt posts 12 at middle part pass body of wall 4 respectively, its end is provided with screw thread, and fastening by clamp nut 3, the stay bolt post 12 between described clamp nut 3 and body of wall 4 is also provided with backing plate 2.
Described lag bolt post 13 comprises two, is symmetricly set on the two ends, left and right of connector 11 respectively.
The excircle of two described lag bolt posts 13 is respectively arranged with screw thread, and lag bolt post can be made to have good grasping force to body of wall, prevent from body of wall, its front end is respectively pointed design.The front end of two lag bolt posts 13 is pointed, easily imports body of wall, can insert body of wall 4 easily.
The two ends, front side of described backing plate 2 are respectively arranged with reinforcing rib 21, described reinforcing rib 21 comprises cylindrical portion 210 and sharp portion 211, described sharp portion 211 is arranged on the front end of cylindrical portion 210, rear end and the backing plate 2 of cylindrical portion 210 fix, the reinforcing rib 21 at described two ends penetrates body of wall 4 respectively, and the length of reinforcing rib 21 is less than the width of body of wall 4.Reinforcing rib 21 can fracture 5 pre-applied force, and reduce crack 5, crackle preventing 5 splits again.
The method in reinforcing wall crack, comprises the following steps:
(1) mud jacking is adopted to repair wall body slit 5: the crack repairing glue by low viscosity, high strength injects in chamber, crack;
(2) many bars bolt 1 is anchored into body of wall 4: first holed respectively at wall body slit two ends, by the stay bolt post of many bars bolt 1 and lag bolt post along the hole that body of wall gets out, vertical direction penetrates body of wall 4, backing plate 2 is inserted in by the stay bolt post 12 of the many bars bolt 1 through body of wall 4, again cover is had on the stay bolt post 12 of backing plate and be inserted in clamp nut 3, while tightening clamp nut 3, reinforcing rib 21 on front side of backing plate 2 stretches into body of wall 4, fracture 5 is applied with certain pressure, many bars bolt 1 power that also fracture 5 pre-add is certain simultaneously, and then with anchoring adhesive, many bars bolt 1 is anchored into body of wall 4.Use the method in above-mentioned reinforcing wall crack for going to live in the household of one's in-laws on getting married into method.
When stay bolt post 12 fastening by clamp nut 3, accurate power can be added arbitrarily on many bars bolt 1, allow many bars bolt 1 bear a certain amount of pulling force of wall section, by the size of reinforcing, carry out the size that control critical eigenvalue 5 ftractures; When body of wall is stressed, many bars bolt 1 and body of wall co-operation; Backing plate 2 is provided with reinforcing rib 21, reinforcing rib 21 stressed work simultaneously can be made; Employing is gone to live in the household of one's in-laws on getting married into method, compared with reinforcing thermal cracking, greatly saves amount of reinforcement with total cross-section steel mesh reinforcement, buries compared with muscle method with traditional seam that picks, can the size of effective control critical eigenvalue, and overall economic efficiency is high.
Except the technical characteristic described in manual, be the known technology of those skilled in the art.
Claims (4)
1. the pre-applied force equipment in reinforcing wall crack, is characterized in that: comprise many bars bolt, backing plate and clamp nut;
Described many bars bolt comprises a connector and multiple bolt column, described multiple bolt columns are separately positioned on the homonymy of connector, described multiple bolt columns comprise two the stay bolt posts be arranged in the middle part of connector and the multiple lag bolt posts being arranged on both ends, connector left and right, the lag bolt post of connector left part and right part is symmetrical arranged in the middle part of connector, the length of two described stay bolt posts is greater than the width of body of wall, the length of lag bolt post is less than the width of body of wall, and described connector and multiple bolt column are made up of reinforcing bar respectively;
Described many bars bolt comprises multiple, respectively centered by crack between the upper and lower every setting, multiple bolt columns of each many bars bolt penetrate body of wall respectively, wherein two stay bolt posts at middle part pass body of wall respectively, its end is provided with screw thread, and fastening by clamp nut, the stay bolt post between described clamp nut and body of wall is also provided with backing plate.
2. the pre-applied force equipment in reinforcing wall crack according to claim 1, is characterized in that: described lag bolt post comprises two, is symmetricly set on the two ends, left and right of connector respectively.
3. the pre-applied force equipment in reinforcing wall crack according to claim 2, is characterized in that: the excircle of two described lag bolt posts is respectively arranged with screw thread, and its front end is respectively pointed design.
4. the pre-applied force equipment in reinforcing wall crack according to claim 1, it is characterized in that: the two ends, front side of described backing plate are respectively arranged with reinforcing rib, described reinforcing rib comprises cylindrical portion and sharp portion, described sharp portion is arranged on the front end of cylindrical portion, rear end and the backing plate of cylindrical portion fix, the reinforcing rib at described two ends penetrates body of wall respectively, and the length of reinforcing rib is less than the width of body of wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742331.8U CN204299205U (en) | 2014-11-29 | 2014-11-29 | The pre-applied force equipment in reinforcing wall crack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420742331.8U CN204299205U (en) | 2014-11-29 | 2014-11-29 | The pre-applied force equipment in reinforcing wall crack |
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| Publication Number | Publication Date |
|---|---|
| CN204299205U true CN204299205U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420742331.8U Expired - Fee Related CN204299205U (en) | 2014-11-29 | 2014-11-29 | The pre-applied force equipment in reinforcing wall crack |
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| CN (1) | CN204299205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358422A (en) * | 2014-11-29 | 2015-02-18 | 宋双阳 | Prestress working device and prestress working method for reinforcing wall crack |
| CN110593597A (en) * | 2019-08-26 | 2019-12-20 | 广东建宇建筑科技有限公司 | Method for repairing wall crack |
-
2014
- 2014-11-29 CN CN201420742331.8U patent/CN204299205U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358422A (en) * | 2014-11-29 | 2015-02-18 | 宋双阳 | Prestress working device and prestress working method for reinforcing wall crack |
| CN110593597A (en) * | 2019-08-26 | 2019-12-20 | 广东建宇建筑科技有限公司 | Method for repairing wall crack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151129 |