CN102864945B - A kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof - Google Patents
A kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof Download PDFInfo
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- CN102864945B CN102864945B CN201210385521.4A CN201210385521A CN102864945B CN 102864945 B CN102864945 B CN 102864945B CN 201210385521 A CN201210385521 A CN 201210385521A CN 102864945 B CN102864945 B CN 102864945B
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 24
- 230000002787 reinforcement Effects 0.000 title claims abstract description 13
- 238000005553 drilling Methods 0.000 claims abstract description 17
- 239000011083 cement mortar Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000007569 slipcasting Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 238000009527 percussion Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 239000002344 surface layer Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 abstract description 4
- 238000005034 decoration Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 239000011449 brick Substances 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The present invention relates to a kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof, belong to aseismatic reinforcement field, it uses rig to be provided with a plurality of boring on the cross wall, vertical wall of masonry structure, is provided with anchor pole, is perfused with cement mortar between described anchor pole and drill hole inner wall in described boring.The ruggedized construction of the present invention and method are by arranging horizontal reinforcement grouting rock bolt in structure wall, and change masonry structure is reinforced masonry structure, thus reach the purpose that seismic structural wall, earthquake resistant wall is reinforced.Reinforce by this method and be only unsatisfactory for the light body centre-drilling hole of Seismic Bearing Capacity requirement, bar planting, grouting, do not affecting the construction and decoration of body of wall, outer surface, the laying of equipment installation, do not increase the weight of body of wall, do not reduce building usable floor area, the most do not change the integral rigidity of body of wall, overcome the shortcoming that traditional board wall surface layer is reinforced, accelerate construction speed and reduce construction costs, be a kind of to have research and the brick mix structure Shockproof reinforcing method of promotional value.
Description
Technical field
The present invention relates to a kind of ruggedized construction, particularly to a kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof, belong to anti-
Shake field of reinforcement.
Background technology
Existing masonry structure carries out seismic hardening, generally uses concrete board wall dough-making powder layer reinforcement means, and both approaches belongs to
Surface of wall method for strengthening.Common shortcoming is to destroy the finishing layer of surface of wall, have impact on distribution of pipe trend, after reinforcing
Construction and decoration to be re-started and Amending design pipeline, this adds increased reinforcing engineering amount and reinforcing funds, extend construction period.
Simultaneously because masonry adds concrete board wall or surface layer changes the rigidity of structure, allowing to control floor gap ratio of rigidity difference
In the range of meet the overall anti-seismic performance of structure, even if some body of wall antidetonation shear-carrying capacity effect ratios are more than 1, plate to be carried out
Wall or surface layer are reinforced, thus cause reinforcement amount to increase.Use board wall to reinforce the most two-sided board wall, the perpendicular of structure can be increased
To load, when loading increments exceedes the 20% of structure original weight, it is also performed to strengthening of foundation so that reinforce and complicate.Board wall
Or surface layer reinforces as occupying the usable floor area in room when inner side of outer wall, make building usable floor area reduction etc., be all traditional
The shortcoming that board wall and surface layer are reinforced.
Summary of the invention
In order to overcome the problems referred to above, the present invention proposes one, and to have quantities little, expends that material is few, cost is low, construction period
The reinforced structure of mortar anchor rod masonry of the advantage such as short and reinforcement means thereof, its grouting rock bolt is reinforced and is reinforced from body of wall center, logical
Cross centre-drilling hole, slip casting, joint bar etc. and reinforce step, make to be unsatisfactory for the non-reinforced masonry of lateral-resisting bearing capacity, become by reinforcing
Reinforced masonry, thus the bigger shear-carrying capacity that improve masonry, reach requirements for fortification against earthquake.
To achieve these goals, this invention takes following technical scheme:
A kind of reinforced structure of mortar anchor rod masonry, it is characterised in that: use rig to be provided with on the cross wall, vertical wall of masonry structure
A plurality of boring, is provided with anchor pole, is perfused with cement mortar between described anchor pole and drill hole inner wall in described boring, wherein, and cross wall
Interior a plurality of drilling horizontal interval is arranged, and a plurality of boring between vertical horizontal window within the walls and between vertical window is respectively adopted water
Gentle vertical interval is arranged, and the vertical boring within the walls in upper and lower, window interior angle place, four, left and right uses X-type diagonally disposed.
Described reinforced structure of mortar anchor rod masonry, bore diameter is 28～32mm, and bolt diameter is 12～20mm, between anchor pole
Away from 300～600mm, anchor pole uses two grades of reinforcing bars.
Described reinforced structure of mortar anchor rod masonry, in cross wall, the horizontal drilling degree of depth is not more than 6000mm, and boring left-right deviation is not
More than 80mm, upper and lower deviation of holing is not more than 200mm.
Described reinforced structure of mortar anchor rod masonry, strength of cement mortar grade is not less than M20.
Described reinforced structure of mortar anchor rod masonry, left and right in cross wall is respectively provided with multiple boring, and left and right boring is staggeredly arranged,
The lap of splice is 35 times of bolt diameter.
Described reinforced structure of mortar anchor rod masonry, described rig is rotary percussion drill by driving electric or wind or hydraulic electric rotary drilling.
Described reinforced structure of mortar anchor rod masonry, described rig is MYT-100 or MYS-50 type hydraulic jumbolter.
The reinforcement means of above-mentioned reinforced structure of mortar anchor rod masonry is as follows:
Comprise the steps:
Step one: anchor pole is carried out straightening, rust cleaning and oil removing；
Step 2: select rig horizontal interval on cross wall to be drilled with a plurality of boring；
Step 3: select rig to be drilled with respectively between vertical horizontal window within the walls and between vertical window and a plurality of horizontally and vertically bore
Hole, and vertical at upper and lower, window interior angle place, four, left and right it is drilled with X-type oblique drilling hole within the walls；
Step 4: be implanted into anchor pole at cross wall and vertical boring within the walls；
Step 5: use slip casting machine pressure injection cement mortar between boring and anchor pole, complete the reinforcing to masonry structure.
Beneficial effect
1: it is to reinforce from body of wall center that grouting rock bolt is reinforced, reinforce step by centre-drilling hole, slip casting, joint bar etc., make not
Meet the non-reinforced masonry of lateral-resisting bearing capacity, become reinforced masonry by reinforcing, thus the bigger shearing resistance that improve masonry is held
Load power, reaches requirements for fortification against earthquake.
2: the masonry structure using reinforced anchor bolt, pressure grouting method to reinforce only is being unsatisfactory for the Qing Ti center that Seismic Bearing Capacity requires
Boring, bar planting, grouting, do not affect body of wall, the construction and decoration of outer surface, the laying of equipment installation, do not increase the weight of body of wall,
Do not reduce building usable floor area, the most do not change the integral rigidity of body of wall.Thus overcome the shortcoming that traditional board wall surface layer is reinforced,
There is quantities little, expend the advantages such as material is few, cost is low, short construction period.
Accompanying drawing explanation
Fig. 1 is the cross wall cloth hole schematic diagram of the present invention；
Fig. 2 is the vertical wall paper hole schematic diagram of the present invention；
In figure, 1: boring, 2: window, 3: cross wall, 4: vertical wall.
Detailed description of the invention
As shown in Figure 1-2, a kind of reinforced structure of mortar anchor rod masonry of the present invention, it is at the cross wall 3 of masonry structure, vertical wall 4
Upper employing rig is provided with a plurality of boring 1, is provided with anchor pole, is perfused with water between described anchor pole and boring 1 inwall in boring 1
Cement mortar, a plurality of boring 1 in cross wall 3 is horizontally spaced about, in vertical wall 4 between horizontal window 2 and vertical window 2 it
Between a plurality of boring 1 be respectively adopted and be horizontally and vertically spaced setting, up and down, window 2 interior angle place, four, left and right indulges in wall 4
Boring 1 employing X-type is diagonally disposed.Its concrete reinforcement means is as follows:
Step one: anchor pole is carried out straightening, rust cleaning and oil removing；
Step 2: select rig horizontal interval on cross wall 3 to be drilled with a plurality of boring 1；
Step 3: select rig be drilled with respectively between horizontal window 2 and between vertical window 2 in vertical wall 4 a plurality of level and
Vertical boring 1, and it is drilled with X-type oblique drilling hole 1 in wall 4 is indulged at upper and lower, window 2 interior angle place, four, left and right；
Step 4: hole at cross wall 3 and vertical wall 4 and 1 be implanted into anchor pole；
Step 5: use slip casting machine pressure injection cement mortar between boring 1 and anchor pole, complete the reinforcing to masonry structure.
Wherein:
1, anchor pole type selecting is total length binding type conventional cement mortar anchor pole.Rod body material preferably uses two grades of reinforcing bars, 1 diameter of holing
The diameter anchoring bolt of 28～32m, shank diameter 12～20mm.Material is 2 grades of reinforcing bars；
2, the cement mortar protective course of anchor pole is not preferably less than 8mm, and strength of cement mortar grade is not less than M20；
3, the body of wall using grouting rock bolt to reinforce should be carried out unwrapping wire cloth hole according to design drawing.Suitable drilling machine is selected to hole,
Drilling machine can be selected for rotary percussion drill by driving electric or wind or hydraulic electric rotary drilling, such as MYT-100 and MYS-50 type hydraulic jumbolter,
Deep hole for 4M～6M should configure corresponding location, and roof support is to ensure drilling quality, because inside processing space of planes is little,
Drilling rod should be furnished with spreading utensil, such as sleeve spreading.Anchor rod body answers straightening, rust cleaning, oil removing；
4, in cross wall 3, horizontal drilling 1 degree of depth is not more than 6000mm, and 1 left-right deviation of holing is not more than 80mm, in boring 1,
In lower deviation is not more than 200mm, and cross wall 3, left and right is respectively provided with multiple boring 1, and left and right boring 1 is staggeredly arranged, and overlap joint is long
Degree is 35 times of bolt diameter.
5, inject mortar be fine sand during cement mortar preferably uses, particle diameter is not more than 2.5mm, with before should sieve.Mortar mix ratio:
Cement: sand=1: 1～1: 2 (weight ratio) ratio of mud is preferably 0.38～0.45, cement Portland cement；
6, mortar answers mix uniform, with mix with, each mixing mortar should be finished before initial set and be strictly on guard against that stone and foreign material are mixed into；
7, when cement mortar slip casting starts or stops more than 30 minutes halfway, application water or thin cement slurry lubrication pulp injection tank and pipe thereof
Road.High-pressure blast or water should be used before slip casting to be cleaned up by dust in boring；
8, during slip casting, Grouting Pipe is inserted to, away from the bottom of hole 50～100mm, the most at the uniform velocity extract (marginal not limit is pulled out) with the injection of mortar.
After the body of rod inserts, if aperture is overflowed without mortar, it is considered as slip casting the fullest, should after-teeming in time；
9, slip casting uses special pneumatic to advance slip casting machine.In anchor pole inserts hole, length is no less than the 95% of design code length, anchor
After bar is installed, must not arbitrarily tap；
10, when armature boring slip casting, pulp injection tank planted agent keeps some mortars, and grouting pressure is unsuitable excessive, typically keeps
At 2kg/cm2It is advisable.To prevent tank body to be vented, mortar ejection is hurted sb.'s feelings.Pressure inside the tank should be eliminated before processing pipeline blockage.Shower nozzle
And Grouting Pipe front forbid stand people；
11, whole-length cohesive anchor bolt, should check mortar degree of compaction, and compactness of grouting is qualified more than 75% side.
Being above an exemplary embodiments of the present invention, the enforcement of the present invention is not limited to this.
Claims (1)
1. a reinforcement means for reinforced structure of mortar anchor rod masonry, at the cross wall of masonry structure
(3), vertical wall (4) is upper uses rig to be provided with a plurality of boring (1), and described boring is provided with anchor in (1)
Bar, is perfused with cement mortar between described anchor pole and boring (1) inwall, wherein, in cross wall (3)
A plurality of boring (1) be horizontally spaced about, between vertical wall (4) interior horizontal window (2) and vertical window
A plurality of boring (1) between mouth (2) is respectively adopted and is horizontally and vertically spaced setting, upper and lower, left and right
Four window (2) interior angle places are indulged the boring (1) in wall (4) and are used X-type diagonally disposed, wherein,
Described boring (3) a diameter of 28～32mm, bolt diameter is 12～20mm, anchor spacing
300～600mm, anchor pole uses two grades of reinforcing bars；Cross wall (3) interior horizontal drilling (1) degree of depth is not more than
6000mm, boring (1) left-right deviation is not more than 80mm, and boring (1) upper and lower deviation is not more than
200mm；Described strength of cement mortar grade is not less than M20；Left and right in cross wall set respectively
Putting multiple boring (1), left and right boring (1) is staggeredly arranged, and the lap of splice is the 35 of bolt diameter
Times；Described rig is rotary percussion drill by driving electric or wind or hydraulic electric rotary drilling；Described rig is
MYT-100 or MYS-50 type hydraulic jumbolter,
It is characterized in that: comprise the steps:
Step one: anchor pole is carried out straightening, rust cleaning and oil removing；
Step 2: select rig to be drilled with a plurality of boring (1) in the upper horizontal interval of cross wall (3)；
Step 3: select rig between horizontal window (2) and vertical window (2) in vertical wall (4)
Between be drilled with a plurality of horizontally and vertically boring (1) respectively, and upper and lower, four, left and right window (2)
Interior angle place is drilled with X-type oblique drilling hole (1) in indulging wall (4)；
Step 4: be implanted into anchor pole at cross wall (3) and vertical wall (4) boring (1)；
Step 5: use slip casting machine pressure injection cement mortar between boring (1) and anchor pole, complete
The reinforcing of masonry structure in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385521.4A CN102864945B (en) | 2012-10-11 | 2012-10-11 | A kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210385521.4A CN102864945B (en) | 2012-10-11 | 2012-10-11 | A kind of reinforced structure of mortar anchor rod masonry and reinforcement means thereof |
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| CN102864945B true CN102864945B (en) | 2016-08-17 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352581B (en) * | 2013-07-09 | 2015-12-09 | 北京筑福国际工程技术有限责任公司 | Adopt the method for inner prestressed reinforcement bolt anchorage sintered clay brick masonry structure |
| CN103741961B (en) * | 2014-01-06 | 2015-09-09 | 北京筑福国际工程技术有限责任公司 | To boost sales after the prefabricated circular hole slab of existing building the dark seismic strengthening of beams method of key |
| CN103758361B (en) * | 2014-01-06 | 2015-12-09 | 北京筑福国际工程技术有限责任公司 | The seismic hardening construction method of short-limb wall and reinforcing pull rod is increased after existing building |
| CN103758362B (en) * | 2014-01-06 | 2016-05-04 | 北京筑福国际工程技术有限责任公司 | After existing masonry building, increase the Shockproof reinforcing method of collar tie beam, constructional column and reinforcing pull rod |
| CN108222539B (en) * | 2018-01-12 | 2020-07-24 | 江苏筑镹营造科技有限公司 | Masonry component anchor rod reinforcing method |
| CN108560944A (en) * | 2018-05-03 | 2018-09-21 | 东南大学 | A kind of ruggedized construction and its construction method for reinforcing Old City Wall globality |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010281033A (en) * | 2009-06-02 | 2010-12-16 | Takenaka Komuten Co Ltd | Construction method for reinforcing masonry wall, and masonry structure |
| CN202866316U (en) * | 2012-10-11 | 2013-04-10 | 北京筑福建设工程有限责任公司 | Mortar and anchor rod brickwork reinforcing structure |
-
2012
- 2012-10-11 CN CN201210385521.4A patent/CN102864945B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010281033A (en) * | 2009-06-02 | 2010-12-16 | Takenaka Komuten Co Ltd | Construction method for reinforcing masonry wall, and masonry structure |
| CN202866316U (en) * | 2012-10-11 | 2013-04-10 | 北京筑福建设工程有限责任公司 | Mortar and anchor rod brickwork reinforcing structure |
Non-Patent Citations (3)
| Title |
|---|
| "多层砖房抗震加固用的锚杆连结";门楷等;《工程抗震》;19861231(第4期);第30-34、39页，表2，图5 * |
| "石结构房屋抗震加固构造措施和施工";陶文超;《工程抗震》;19851001(第3期);第18-20页 * |
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Address after: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, 2 floor, Chak Yang Building Applicant after: BEIJING AEIDO ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 100043, Beijing, Shijingshan District, 166 Fu Shi Road, 2 floor, Chak Yang Building Applicant before: BEIJING ZHUFU CONSTRUCTION ENGINEERING Co.,Ltd. |
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Inventor after: Du Lihong Inventor before: Dong You Inventor before: Zhao Enping Inventor before: Wan Zhao Inventor before: Ju Shusen |
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Denomination of invention: A Mortar Bolt Masonry Strengthening Structure and Its Strengthening Method Effective date of registration: 20221207 Granted publication date: 20160817 Pledgee: Huishang Bank Co.,Ltd. Huaibei Lieshan sub branch Pledgor: Huaibei Jinhui Lvjian Technology Co.,Ltd. Registration number: Y2022980025420 |
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