CN105625742A - Brick wall reinforcing structure - Google Patents

Brick wall reinforcing structure Download PDF

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Publication number
CN105625742A
CN105625742A CN201610127817.4A CN201610127817A CN105625742A CN 105625742 A CN105625742 A CN 105625742A CN 201610127817 A CN201610127817 A CN 201610127817A CN 105625742 A CN105625742 A CN 105625742A
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CN
China
Prior art keywords
reinforcing bar
brick
horizontal
cuff
anchor rib
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Granted
Application number
CN201610127817.4A
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Chinese (zh)
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CN105625742B (en
Inventor
朱奎
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Yuncheng Yundong new building materials Co., Ltd
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朱奎
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Priority to CN201610127817.4A priority Critical patent/CN105625742B/en
Publication of CN105625742A publication Critical patent/CN105625742A/en
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Publication of CN105625742B publication Critical patent/CN105625742B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements

Abstract

The invention discloses a brick wall reinforcing structure. The brick wall reinforcing structure is characterized in that rebar hoops are arranged at mortar joints of a brick wall, the rebar hoops in different rows are arranged in a staggered manner, rebars of the rebar hoops penetrate horizontal mortar joints of the brick wall to form a closed hoop, horizontal rebars are arranged on the surface of the brick wall, and after the horizontal rebars are fixed by anchoring ribs, sectional prestressed tensioning is performed on the horizontal rebars, length of sectional prestressed tensioning is equal to a distance between two adjacent rebar hoop in a same row, the horizontal rebars after being tensioned become broken-line rebars, and the broken-line rebars at positions with maximum tensioning length of adjacent rows are welded and fixed by adopting rebar braces, the rebar braces are welded with the anchoring ribs reserved in the brick wall, diameter of the anchoring ribs is 8-10 mm, and the anchoring ribs extend into reserved holes in the brick wall; plastering is performed after prestressed tensioning is completed to form a protecting layer, thickness of a cement mortar surface layer is 25-30 mm, and a rebar net is hung on the outer sides of the broken-line rebars.

Description

Brick wall reinforcement structure
Technical field
The present invention relates to one and add fixing structure, in particular to a kind of brick wall reinforcement structure.
Background technology
To be reinforced when brick wall occurs that bearing capacity is inadequate, simple employing steel reinforcing effect is not good, due to after the reinforced steel that adds be difficult to form entirety with original brick wall when carrying, namely original brick wall first plays a role when carrying, play a role after the reinforced steel then added, carrying is even just participated in when original brick wall reaches capacity, reinforce component like this and can be in dangerous state, under bigger bearing capacity, there will be brittle rupture, the reinforced steel added after how making and brick wall cooperative bearing be engineering technical personnel will faced by problem.
Summary of the invention
The present invention is to provide a kind of brick wall reinforcement structure, and solving reinforced steel and brick wall can not the problem of cooperative bearing.
In the present invention, brick wall arranges reinforcing bar cuff at mortar joint position every 2.5��3m, reinforcing bar ferrule diameters adopts 8��10mm, different row's reinforcing bar cuff dislocation is arranged, the reinforcing bar of reinforcing bar cuff forms closed cuff through brick wall horizontal mortar joint, brick wall surface arranges horizontal reinforcing bar, horizontal steel bar vertical spacing is 150��300mm, horizontal bar diameter adopts 8��10mm, carry out adopting segmentation prestressed stretch-draw after horizontal reinforcing bar is fixing by horizontal reinforcing bar anchor rib, segmentation prestressed stretch-draw length cell is the distance with the adjacent reinforcing bar cuff of row, horizontal reinforcing bar becomes broken line reinforcing bar after stretch-draw, the broken line reinforcing bar of adjacent row stretch-draw length maximum adopts reinforcing bar tie rod to be welded and fixed, reinforcing bar tie rod welds with the anchor rib being reserved in brick wall, anchor rib diameter adopts 8��10mm, anchor rib stretches into brick wall pre-opened hole, after prestressed stretch-draw, cement sand plaster is as protective layer, in case reinforcement corrosion and creeping. sand-cement slurry surface thickness adopts 25��30mm, in order to make the reinforcing bar on sand-cement slurry surface layer and brick wall surface form entirety, hangs reinforcing mat outside broken line reinforcing bar, and the bar diameter that reinforcing mat adopts is 6mm, and spacing is 200m.
Construction procedure comprises:
(1) wall body slit is cleared up
If owing to body of wall exists crack, crack can be made when prestressed stretch-draw to produce compression set, cause loss of prestress, not reach the object that off-load is reinforced, therefore wall body slit must be reinforced.
Adopt the water glass mixed serum cementation of fissures, water glass mixed serum is produced as follows: first diluted by water glass with dimethylbenzene, dimethylbenzene and water glass weight ratio are 0.3, again by the water glass slurries after dilution and cement mixing, water glass slurries and the weight ratio of cement after dilution are 0.5, form water glass mixed serum.
First with wire brush, the dust of each for both sides, crack 100mm width concrete surface, scum silica frost are removed clean during operation, then with water glass mixed serum closed fracture. Every 700mm, syringe needle is fixed on wider place, crack, and stays 2mm space not close in the middle of two syringe needles and make venting hole, be socketed syringe needle one by one with high-pressure grouting pump, slurries are pressed in crack, till the venting hole adjacent with syringe needle flows out slurries. Stop 30min after first time grouting and carry out two supplementary irrigations again. Zhang Zuoye is executed through 2d maintenance prestress of being allowed for access.
(2) anchor rib and reinforcing bar cuff are set
Brick wall is drilled with pre-opened hole, the big 2��3mm of pre-opened hole diameter ratio anchor rib, and after boring, the dust in clear opening eye is blown in air-supply, then anchor rib is put into pre-opened hole, filling epoxy resin mortar in space between anchor rib and pre-opened hole.
Reinforcing bar cuff is welded into closed cuff through brick wall horizontal mortar joint.
(3) horizontal reinforcing bar is installed
Horizontal reinforcing bar welds with reinforcing bar cuff.
(4) the prestressed, reinforced stretch-draw of level
Prestressed stretch-draw adopts lever clamping instrument, and the resistance arm of lever clamping instrument and the ratio of power arm are 0.1��0.015.
The stress loss held together and cause repeatedly is pressed from both sides owing to lever clamping instrument can be related in prestressed stretch-draw process, the stress loss that reinforcing bar tie rod welds with anchor rib, the stress loss of Relaxation Of Steel, therefore the prestressed, reinforced employing ultra stretching of level, table 1 is the loss of prestress coefficient situation of different stretch-draw length, according to a large amount of test-results, adopt proof stress ultra stretching 9%.
The loss of prestress coefficient of the different stretch-draw length of table 1
Stretch-draw length 2.5m 2.6m 2.7m 2.8m 2.9m 3m
1 time 0.091 0.089 0.089 0.090 0.091 0.088
2 times 0.089 0.091 0.090 0.091 0.090 0.090
3 times 0.088 0.090 0.092 0.090 0.089 0.089
4 times 0.090 0.092 0.090 0.088 0.090 0.091
5 times 0.092 0.090 0.091 0.090 0.088 0.090
6 times 0.091 0.088 0.088 0.092 0.090 0.092
(5) sand-cement slurry surface layer construction
Install reinforcing mat to drawing reinforcing bar, to drawing bar diameter to adopt 10mm, hang brushing sand-cement slurry after rear reinforcing mat, sand-cement slurry surface layer divides and survives for three times, and thickness of every time plastering is 8��10mm. After completing, wet curing must not less than 7 days.
Reinforcing bar cuff of the present invention, reinforcing bar tie rod, anchor rib all can adopt reinforcing bar waste material to process, so cost is lower.
The present invention becomes overall by deformed bar and brick wall, the supporting capacity of the stress level and performance deformed bar that reduce brick wall is played a significantly greater role, so mechanical property is better. Constructing operation of the present invention is convenient, and reliability is strong.
Accompanying drawing explanation
Fig. 1 is brick wall reinforcement structure schematic diagram.
In each accompanying drawing: 1, reinforcing bar cuff, 2, broken line reinforcing bar, 3, reinforcing bar tie rod, 4, anchor rib, 5, brick wall, 6, horizontal reinforcing bar.
Embodiment
In embodiment, brick wall 5 arranges reinforcing bar cuff 1 at mortar joint position every 2.5��3m, reinforcing bar cuff 1 diameter adopts 8��10mm, different row's reinforcing bar cuff 1 misplaces and arranges, the reinforcing bar of reinforcing bar cuff 1 forms closed cuff through brick wall 5 horizontal mortar joint, brick wall 5 surface arranges horizontal reinforcing bar 6, horizontal reinforcing bar 6 erect to spacing be 150��300mm, horizontal reinforcing bar 6 diameter adopts 8��10mm, carry out adopting segmentation prestressed stretch-draw after horizontal reinforcing bar 6 is fixing by anchor rib 4, segmentation prestressed stretch-draw length cell is the distance with the adjacent reinforcing bar cuff 1 of row, horizontal reinforcing bar 6 becomes broken line reinforcing bar 2 after stretch-draw, the broken line reinforcing bar 2 of adjacent row stretch-draw length maximum adopts reinforcing bar tie rod 3 to be welded and fixed, reinforcing bar tie rod 3 welds with the anchor rib 4 being reserved in brick wall 5, anchor rib 4 diameter adopts 8��10mm, anchor rib 4 stretches into brick wall 5 pre-opened hole, after prestressed stretch-draw, cement sand plaster is as protective layer, in case reinforcement corrosion and creeping. sand-cement slurry surface thickness adopts 25��30mm, in order to make the reinforcing bar on sand-cement slurry surface layer and brick wall 5 surface form entirety, hangs reinforcing mat outside broken line reinforcing bar 2, and the bar diameter that reinforcing mat adopts is 6mm, and spacing is 200m.
Construction procedure comprises:
(1) wall body slit is cleared up
Adopt the water glass mixed serum cementation of fissures, water glass mixed serum is produced as follows: first diluted by water glass with dimethylbenzene, dimethylbenzene and water glass weight ratio are 0.3, again by the water glass slurries after dilution and cement mixing, water glass slurries and the weight ratio of cement after dilution are 0.5, form water glass mixed serum.
First with wire brush, the dust of each for both sides, crack 100mm width concrete surface, scum silica frost are removed clean during operation, then with water glass mixed serum closed fracture. Every 700mm, syringe needle is fixed on wider place, crack, and stays 2mm space not close in the middle of two syringe needles and make venting hole, be socketed syringe needle one by one with high-pressure grouting pump, slurries are pressed in crack, till the venting hole adjacent with syringe needle flows out slurries. Stop 30min after first time grouting and carry out two supplementary irrigations again. Zhang Zuoye is executed through 2d maintenance prestress of being allowed for access.
(2) anchor rib 4 and reinforcing bar cuff 1 are set
Brick wall 5 is drilled with pre-opened hole, the big 2��3mm of pre-opened hole diameter ratio anchor rib 4, and after boring, the dust in clear opening eye is blown in air-supply, then anchor rib 4 is put into pre-opened hole, filling epoxy resin mortar in space between anchor rib 4 and pre-opened hole.
Reinforcing bar cuff 1 is welded into closed cuff through brick wall 5 horizontal mortar joint.
(3) horizontal reinforcing bar 6 is installed
Horizontal reinforcing bar 6 welds with reinforcing bar cuff 1.
(4) horizontal reinforcing bar 6 prestressed stretch-draw
Prestressed stretch-draw adopts lever clamping instrument, and the resistance arm of lever clamping instrument and the ratio of power arm are 0.1��0.015.
Horizontal reinforcing bar 6 prestress adopts ultra stretching, adopts proof stress ultra stretching 9%.
(5) sand-cement slurry surface layer construction
Install reinforcing mat to drawing reinforcing bar, to drawing bar diameter to adopt 10mm, hang brushing sand-cement slurry after rear reinforcing mat, sand-cement slurry surface layer divides and survives for three times, and thickness of every time plastering is 8��10mm. After completing, wet curing must not less than 7 days.
Reinforcing bar cuff 1 that embodiment adopts, reinforcing bar tie rod 3, anchor rib 4 adopt reinforcing bar waste material to process.

Claims (8)

1. a brick wall reinforcement structure, it is characterized in that brick wall arranges reinforcing bar cuff at mortar joint position, different row's reinforcing bar cuff dislocation is arranged, the reinforcing bar of reinforcing bar cuff forms closed cuff through brick wall horizontal mortar joint, brick wall surface arranges horizontal reinforcing bar, carry out adopting segmentation prestressed stretch-draw after horizontal reinforcing bar is fixing by anchor rib, segmentation prestressed stretch-draw length cell is the distance with the adjacent reinforcing bar cuff of row, horizontal reinforcing bar becomes broken line reinforcing bar after stretch-draw, the broken line reinforcing bar of adjacent row stretch-draw length maximum adopts reinforcing bar tie rod to be welded and fixed, reinforcing bar tie rod welds with the anchor rib being reserved in brick wall, anchor rib diameter adopts 8��10mm, anchor rib stretches into brick wall pre-opened hole, after prestressed stretch-draw, cement sand plaster is as protective layer, sand-cement slurry surface thickness adopts 25��30mm, reinforcing mat is hung outside broken line reinforcing bar.
2. brick wall reinforcement structure according to claim 1, is characterized in that construction procedure comprises:
(1) wall body slit is cleared up
Adopt the water glass mixed serum cementation of fissures, water glass mixed serum is produced as follows: first diluted by water glass with dimethylbenzene, dimethylbenzene and water glass weight ratio are 0.3, again by the water glass slurries after dilution and cement mixing, water glass slurries and the weight ratio of cement after dilution are 0.5, form water glass mixed serum;
First with wire brush, the dust of each for both sides, crack 100mm width concrete surface, scum silica frost are removed clean during operation, then with water glass mixed serum closed fracture; Every 700mm, syringe needle is fixed on wider place, crack, and stays 2mm space not close in the middle of two syringe needles and make venting hole, be socketed syringe needle one by one with high-pressure grouting pump, slurries are pressed in crack, till the venting hole adjacent with syringe needle flows out slurries; Stop 30min after first time grouting and carry out two supplementary irrigations again; Zhang Zuoye is executed through 2d maintenance prestress of being allowed for access;
(2) anchor rib and reinforcing bar cuff are set
Brick wall is drilled with pre-opened hole, the big 2��3mm of pre-opened hole diameter ratio anchor rib, and after boring, the dust in clear opening eye is blown in air-supply, then anchor rib is put into pre-opened hole, filling epoxy resin mortar in space between anchor rib and pre-opened hole;
Reinforcing bar cuff is welded into closed cuff through brick wall horizontal mortar joint;
(3) horizontal reinforcing bar is installed
Horizontal reinforcing bar welds with reinforcing bar cuff;
(4) the prestressed, reinforced stretch-draw of level
Prestressed stretch-draw adopts lever clamping instrument, and the resistance arm of lever clamping instrument and the ratio of power arm are 0.1��0.015;
(5) sand-cement slurry surface layer construction
Install reinforcing mat to drawing reinforcing bar, to drawing bar diameter to adopt 10mm, hang brushing sand-cement slurry after rear reinforcing mat, after completing, wet curing must not less than 7 days.
3. brick wall reinforcement structure according to claim 1, is characterized in that brick wall arranges reinforcing bar cuff at mortar joint position every 2.5��3m, and reinforcing bar ferrule diameters adopts 8��10mm.
4. brick wall reinforcement structure according to claim 4, is characterized in that horizontal steel bar vertical spacing is 150��300mm, and horizontal bar diameter adopts 8��10mm.
5. brick wall reinforcement structure according to claim 1, is characterized in that the bar diameter that reinforcing mat adopts is 6mm, and spacing is 200m.
6. brick wall reinforcement structure according to claim 1, is characterized in that the prestressed, reinforced employing ultra stretching of level, adopts proof stress ultra stretching 9%.
7. brick wall reinforcement structure according to claim 4, is characterized in that sand-cement slurry surface layer divides and survives for three times, thickness of every time plastering is 8��10mm.
8. brick wall reinforcement structure according to claim 4, is characterized in that reinforcing bar cuff, reinforcing bar tie rod, anchor rib adopt reinforcing bar waste material to process.
CN201610127817.4A 2016-02-17 2016-02-17 Brick wall reinforcement structure Expired - Fee Related CN105625742B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610127817.4A CN105625742B (en) 2016-02-17 2016-02-17 Brick wall reinforcement structure

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201710555532.5A CN107227860B (en) 2016-02-17 2016-02-17 Brick wall prestressed reinforcement structure
CN201610127817.4A CN105625742B (en) 2016-02-17 2016-02-17 Brick wall reinforcement structure
CN201710555531.0A CN107386676B (en) 2016-02-17 2016-02-17 Brick wall reinforced construction method
CN201710558577.8A CN107165436B (en) 2016-02-17 2016-02-17 Brick wall reinforcing structure

Related Child Applications (3)

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CN201710555531.0A Division CN107386676B (en) 2016-02-17 2016-02-17 Brick wall reinforced construction method
CN201710555532.5A Division CN107227860B (en) 2016-02-17 2016-02-17 Brick wall prestressed reinforcement structure
CN201710558577.8A Division CN107165436B (en) 2016-02-17 2016-02-17 Brick wall reinforcing structure

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CN201710555531.0A Active CN107386676B (en) 2016-02-17 2016-02-17 Brick wall reinforced construction method
CN201710555532.5A Active CN107227860B (en) 2016-02-17 2016-02-17 Brick wall prestressed reinforcement structure
CN201710558577.8A Active CN107165436B (en) 2016-02-17 2016-02-17 Brick wall reinforcing structure

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CN201710555532.5A Active CN107227860B (en) 2016-02-17 2016-02-17 Brick wall prestressed reinforcement structure
CN201710558577.8A Active CN107165436B (en) 2016-02-17 2016-02-17 Brick wall reinforcing structure

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JP2018178646A (en) * 2017-04-20 2018-11-15 清水建設株式会社 Reinforcement structure and reinforcement method of masonry structure
CN113417222A (en) * 2021-08-02 2021-09-21 杨伟涛 Road and bridge crack processing apparatus

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108505553A (en) * 2017-01-21 2018-09-07 叶长青 The method for correcting error of strip footing brick-concrete building
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CN113417222A (en) * 2021-08-02 2021-09-21 杨伟涛 Road and bridge crack processing apparatus

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Publication number Publication date
CN107165436B (en) 2020-01-07
CN107227860B (en) 2019-06-11
CN105625742B (en) 2017-12-15
CN107227860A (en) 2017-10-03
CN107386676B (en) 2019-03-08
CN107165436A (en) 2017-09-15
CN107386676A (en) 2017-11-24

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