CN104863382B - Roof boarding reinforcement means - Google Patents
Roof boarding reinforcement means Download PDFInfo
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- CN104863382B CN104863382B CN201510267894.5A CN201510267894A CN104863382B CN 104863382 B CN104863382 B CN 104863382B CN 201510267894 A CN201510267894 A CN 201510267894A CN 104863382 B CN104863382 B CN 104863382B
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- stiffener
- roof boarding
- concrete
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- pea gravel
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- 230000002787 reinforcement Effects 0.000 title claims abstract description 13
- 239000004567 concrete Substances 0.000 claims abstract description 63
- 238000010276 construction Methods 0.000 claims abstract description 40
- 230000001105 regulatory effect Effects 0.000 claims abstract description 37
- 239000011378 shotcrete Substances 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000010426 asphalt Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 12
- 230000001680 brushing effect Effects 0.000 claims abstract description 9
- 239000011241 protective layer Substances 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 238000005538 encapsulation Methods 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 239000003351 stiffener Substances 0.000 claims description 69
- 238000006073 displacement reaction Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 239000010410 layer Substances 0.000 claims description 8
- 206010057071 Rectal tenesmus Diseases 0.000 claims description 3
- 238000004873 anchoring Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 208000012271 tenesmus Diseases 0.000 claims description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000004078 waterproofing Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Working Measures On Existing Buildindgs (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The invention discloses a kind of roof boarding reinforcement means, is characterized in that construction procedure includes：(1) works above cleaning roofing concrete plate，(2) roofing concrete twist drill pilot hole，(3) channel-section steel support top roofing concrete plate is used，(4) roof boarding plate end office (EO) portion's concrete is cut，(5) reinforcement supporting-point position local roofing concrete plate is cut，(6) regulating bolt and regulating nut are installed successively at reinforcement supporting-point position，(7) the expansion pea gravel concreten for smashing reinforcement supporting portion is poured，(8) anchorage positioning is finished to pour and smashes expansion pea gravel concreten，(9) tensioning is carried out after expansion pea gravel concreten possesses some strength，(10) injecting treatment is carried out to pilot hole，Reinforcement is fastened with anchorage，(11) encapsulation process is carried out to reinforcement and anchorage handing-over position with building sealant，(12) brushing polyurethane coating film，(13) paving modified asphalt waterproof coiled material，(14) pour and smash expanded and vitrified small ball light mortar protective layer，(15) channel-section steel of support top roofing concrete plate is removed，(16) gunite concrete is implemented in roof boarding bottom.Mechanical property of the present invention is good, and constructing operation is safe and reliable.
Description
Technical field
The present invention relates to a kind of inadequate roof boarding of bearing capacity, more particularly to a kind of roof boarding reinforcement means.
Background technology
After defect or accessible roof increase load occurs in roof boarding quality, roof boarding bearing capacity can not reach requirement,
In this case roof boarding will carry out pattern handling, and after process, roof boarding bending resistance shear resistance can be increased, but mesh
Front prior art has two problems：One be it is difficult to by the intensive aspect of roof boarding and the organic formation entirety of original structure, two is roofing
Plate easy seepage after processing.
Content of the invention
The technical problem to be solved is provided at a kind of reliable construction quality and the good roof boarding of water resistance
Reason method, leakage problems after solving the problems, such as the intensive aspect of roof boarding and original structure integrated carrying and processing.
The principle of the invention is：The supporting-point of stiffener is set, and then a regulating bolt is applied by tightening at supporting-point, makes
Which applies downwards external force in supporting-point to stiffener, and makes stiffener produce an external force upwards, and roof boarding is played
Unloading Effect, makes roof boarding become eccentric compression member by flexural member, on the one hand makes former roof boarding and strengthen physical efficiency integrally to hold
Power, on the other hand improves the bearing capacity of roof boarding.Multiple waterproof measure is taken to avoid seepage according further to reinforcement characteristics.
As 1/4 span position of plate end shearing is less, roof boarding stiffener supporting-point is arranged on from 1/4 span portion of plate end
Position, roof boarding cut into up big and down small terrace with edge at stiffener supporting-point position, and top cross-section is the square of length 60mm,
Bottom section is square of the length for 40mm, and terrace with edge middle setting regulating bolt, regulating bolt expose the setting of roofing plate part
Screw thread, a diameter of 25mm of regulating bolt, it is embedded in the middle of the regulating bolt of roof boarding and seal ring is welded, sealing ring diameter 35mm,
Sealing ring thickness is 3mm, and as outside moisture is radially penetrated into readily along regulating bolt, seal ring purpose is blocking water seepage road
Footpath, terrace with edge bottom are poured and smash expansion pea gravel concreten, and expansion pea gravel concreten intensity is C35, and expansion pea gravel concreten is poured to smash and finished
Produce microdilatancy afterwards, strengthen the compactness between newly-laid concrete and former roofing board concrete, Waterproof sand is clogged on terrace with edge top
Slurry, waterproof mortar thickness are 15～20mm, and waterproof mortar is to avoid this position from becoming waterproof weakness ring as waterproof reinforced layer
Section.Regulating bolt bottom couples regulating nut, and regulating nut is screwed in regulating bolt and coupled by screw thread, regulating nut bottom
Welding steel cushion block, steel cushion block lower central arrange semi-circular recesses, and stiffener is welded to connect after being embedded in groove.Tensioning is grasped
Regulating nut is rotated with spanner when making, regulating nut screws in regulating bolt screw thread upwards, drive steel cushion block and stiffener synchronization
Rise.
Roof boarding plate end cuts into square hole in the range of nearside 150～200mm of body of wall, and roof boarding is drilled with oblique guiding
Hole, is oriented to bore dia 2mm bigger than stiffener diameter, stiffener through the pilot hole of roof boarding enter after square hole with anchor
Tool connection, square hole is poured smashes expansion pea gravel concreten, and expansion pea gravel concreten intensity is C35, and expansion pea gravel concreten is poured to be smash
Microdilatancy is produced after finishing, and is strengthened the compactness between newly-laid concrete and former roofing board concrete, is expanded pea gravel concreten
Top brushing polyurethane coating film, polyurethane coating film are to avoid this position from becoming waterproof weak link as waterproof reinforced layer.Poly-
Modified asphalt waterproof coiled material is pasted on urethane film top, arranges expanded and vitrified small ball light mortar above modified asphalt waterproof coiled material
Protective layer, protective layer adopt light material to mitigate roofing load.Roof boarding plate bottom arranges gunite concrete, and gunite concrete is thick
Spend for 80～90mm.Stiffener and anchorage handing-over position carry out encapsulation process with building sealant, prevent this position from occurring
Seepage.
Stiffener tensioning parameter is by identified below：
Stiffener adopts II level reinforcing bar, and control stress for prestressing value is 0.75 rebar standardses intensity, control stress for prestressing
Value is 562.5MPa.If the former roof boarding concreting time is more than or equal to 3 years, its concrete shrinkage, creep visual
For stablizing, the loss of prestress of stiffener can be omitted and be disregarded, and only need to consider by the loose part for causing of reinforcing bar, in construction
When, reinforcing bar can be taken to surpass and to open 5% to make up, the stretching force of reinforcing bar is defined as 1.05 control stress for prestressing, i.e. 590.625MPa；Such as
The fruit former roof boarding concreting time, for the sake of conservative, the stretching force of reinforcing bar was defined as 1.08 cable tensios control within 3 years
Stress, i.e. 607.5MPa.
Stiffener tensioning vertical displacement δ value is calculated as the following formula,
L1For the oblique segment length of stiffener, L2For stiffener horizontal section length, σkFor the stretching force of stiffener, Es
Elastic modelling quantity for reinforcing bar.
Construction procedure includes：
(1) works above cleaning roof boarding.
(2) roofing twist drill pilot hole.
(3) channel-section steel support top roof boarding is used.
(4) roof boarding plate end office (EO) portion's concrete is cut, cuts into square hole.
(5) stiffener supporting-point position local roof boarding is cut, and roof boarding digs into terrace with edge.
(6) regulating bolt and regulating nut are installed successively at stiffener supporting-point position, steel cushion block is welded on regulation
Then stiffener is welded by nut with steel cushion block.
(7) the expansion pea gravel concreten for smashing stiffener supporting portion is poured, will expansion pea gravel concreten surface dabbing after 3 days
After-pouring waterproof mortar.
(8) oblique for stiffener section is passed through pilot hole, stiffener end couples with anchorage, anchorage is interim with bracing members
Positioning, anchorage positioning finishes to pour smashes expansion pea gravel concreten, and expansion pea gravel concreten pours the steel of the interim positioning of dismounting during smashing
Support.
Tensioning is carried out after expansion pea gravel concreten possesses some strength after (9) 7 days.
Regulating bolt is tightened by spanner, applying tensioning is carried out to stiffener, tensioning is carried out in three times, first time tensioning
Vertical displacement is stiffener tensioning vertical displacement for 1/3 δ, δ upwards to make stiffener, implements second tensioning after interval 1h,
Second tensioning make stiffener upwards vertical displacement be 1/3 δ, after interval 1h implement third time tensioning, third time tensioning make plus
Vertical displacement is 1/3 δ to strong reinforcing bar upwards.
(10) injecting treatment is carried out after tensioning is finished to pilot hole, closes the space between stiffener and pilot hole, use
Stiffener is fastened by anchorage.
(11) encapsulation process is carried out to stiffener and anchorage handing-over position with building sealant.
(12) roof boarding plate end anchoring position expansion pea gravel concreten above brushing polyurethane coating film.
(13) polyurethane coating film brushing finishes rear paving modified asphalt waterproof coiled material.
(14) modified asphalt waterproof coiled material paving is poured after finishing and smashes expanded and vitrified small ball light mortar protective layer.
(15) channel-section steel of support top roof boarding is removed.
Gunite concrete is implemented in roof boarding bottom, and gunite concrete thickness is 80～90mm, and gunite concrete is applied at twice
Work, first time construction of shotcrete thickness are 40～50mm, and second construction of shotcrete thickness is 40～50mm, in front and back
The time interval of two-layer injection should not be less than the final setting time of concrete.
Gunite concrete presses following enforcement：
Pre-plugged jet thickness mark is answered on spraying operation face.Before gunite concrete, construction surface must be sprayed water wet
Profit, it is to avoid construction surface absorbs excess moisture from gunite concrete.But, water spray can not be too many, it is impossible to leaves construction surface many
Remaining moisture.Water spray is carried out using shower nozzle.Shower nozzle construction when try one's best vertical construction face, with construction surface keep distance should ensure that spray
Penetrate concrete compaction.If shower nozzle from construction surface too close to, the concrete of injection can be washed the concrete for having sprayed open, if from
Too remote, then the density of concrete is poor.Operating personnel should stand motionless, hold shower nozzle, make shower nozzle from top to bottom, from one side to
Another side should not be once sprayed at one and reach whole thickness as the movement of fan-type, and gunite concrete should be made to be formed uniformly
One layer.If it find that the concrete for ejecting is uneven, it is necessary to make shower nozzle leave construction surface immediately, mixed until ejected
Solidifying soil is uniformly further continued for normally sprayed construction.In course of injection, if it find that concrete surface drying, loose, tenesmus, sliding
Or during drawing crack phenomenon, should remove in time, spray again.
The present invention is less to the destruction of former room panel structure, and the prestressed equipment of enforcement is simply effective, and constructing operation is convenient, can
To effectively improve the intensity after roof boarding is processed, and water resistance is good.
Description of the drawings
Fig. 1 is constructed for roofing board prestress stiffener supporting-point position, and Fig. 2 is anchored for roofing board prestress stiffener
Position constructs.
Accompanying drawing mark：1st, regulating bolt, 2, regulating nut, 3, steel cushion block, 4, stiffener, 5, steel seal ring, 6, expansion
Pea gravel concreten, 7, waterproof mortar, 8, anchorage, 9, building sealant, 10, polyurethane coating film, 11, modified asphalt waterproof coiled material,
12nd, expanded and vitrified small ball light mortar protective layer, 13, gunite concrete.
Specific embodiment
The present embodiment is described in detail below in conjunction with accompanying drawing.
Certain engineering roof boarding carries out building reconstruction after 3 years in final acceptance of construction, and roofing prepares to be transformed into ecologic planting roofing, plants
Planting roofing has certain load to increase, and the bearing capacity of original roofing can not reach requirement, it is necessary to former roofing be reinforced, in addition
It is also contemplated that the antiseep of roofing, roofing span of slab is 5.6m.
In the present embodiment, roof boarding stiffener supporting-point is arranged on from plate end 1.6m position, and roof boarding is propped up in stiffener
Hold a position and up big and down small terrace with edge is cut into, top cross-section is the square of length 60mm, it is 40mm that bottom section is length
Square, terrace with edge middle setting regulating bolt 1, regulating bolt 1 expose roofing plate part arrange screw thread, 1 diameter of regulating bolt
For 25mm, welding seal ring 5 in the middle of the regulating bolt 1 of roof boarding, 5 diameter 35mm of seal ring is embedded in, 5 thickness of seal ring is
3mm, terrace with edge bottom are poured and are smash expansion pea gravel concreten 6, and 6 intensity of expansion pea gravel concreten is C35, and waterproof mortar is clogged on terrace with edge top
7,7 thickness of waterproof mortar is 18mm.1 bottom of regulating bolt couples regulating nut 2, and regulating nut 2 screws in 1 screw thread of regulating bolt and enters
Row connection, 2 bottom welding steel cushion block 3 of regulating nut, 3 lower central of steel cushion block arrange semi-circular recesses, and stiffener 4 is embedded in recessed
It is welded to connect after groove.
Roof boarding plate end cuts into square hole in the range of nearside body of wall 180mm, and oblique pilot hole reserved by roof boarding, leads
To bore dia 2mm bigger than 4 diameter of stiffener, stiffener 4 through the pilot hole of roof boarding enter after square hole with anchorage 8
Connection, square hole is poured smashes expansion pea gravel concreten 6, and 6 intensity of expansion pea gravel concreten is C35, expands 6 top of pea gravel concreten
Brushing polyurethane coating film 10,10 top of polyurethane coating film paste modified asphalt waterproof coiled material 11, on modified asphalt waterproof coiled material 11
Face arranges expanded and vitrified small ball light mortar protective layer 12, and roof boarding plate bottom arranges gunite concrete 13, and gunite concrete 13 is thick
Spend for 80mm, stiffener 4 and anchorage 8 join position and carry out encapsulation process with building sealant 9.
The stretching force of reinforcing bar is defined as 590.625MPa, and stiffener tensioning vertical displacement δ value is defined as 25.8mm.
Construction procedure includes：
(1) works above cleaning roof boarding.
(2) roofing twist drill pilot hole.
(3) channel-section steel support top roof boarding is used.
(4) roof boarding plate end office (EO) portion's concrete is cut, cuts into square hole.
(5) 4 supporting-point position local roof boarding of stiffener is cut, and roof boarding digs into terrace with edge.
(6) regulating bolt 1 and regulating nut 2 are installed successively at stiffener supporting-point position, steel cushion block 3 is welded on tune
Then stiffener 4 is welded by section nut 2 with steel cushion block 3.
(7) pouring the expansion pea gravel concreten for smashing 4 supporting portion of stiffener will expansion 6 surface of pea gravel concreten after 6,3 days
Dabbing after-pouring waterproof mortar 7.
(8) oblique for stiffener 4 section is passed through pilot hole, 4 end of stiffener couples with anchorage 8, and bracing members used by anchorage 8
Interim positioning, the positioning of anchorage 8 finishes to pour smashes expansion pea gravel concreten 6, and it is temporarily fixed that expansion pea gravel concreten 6 pours dismounting during smashing
The bracing members of position.
Tensioning is carried out after expansion pea gravel concreten 6 possesses some strength after (9) 7 days.
Regulating bolt 1 is tightened by spanner, applying tensioning is carried out to stiffener 4, tensioning is carried out in three times, open for the first time
Drawing makes stiffener 4, and vertical displacement is 8.6mm upwards, implements second tensioning after interval 1h, and second tensioning makes stiffener 4
Vertical displacement is 8.6mm upwards, implements third time tensioning after interval 1h, and third time tensioning makes the vertical displacement upwards of stiffener 4
For 8.6mm.
(10) injecting treatment is carried out after tensioning is finished to pilot hole, closes the space between stiffener 4 and pilot hole, use
Stiffener 4 is fastened by anchorage 8.
(11) joining position with building sealant 9 to stiffener 4 and anchorage 8 carries out encapsulation process.
(12) roof boarding plate end anchoring position expansion pea gravel concreten 6 above brushing polyurethane coating film 10.
(13) brushing of polyurethane coating film 10 finishes rear paving modified asphalt waterproof coiled material 11.
(14) 11 paving of modified asphalt waterproof coiled material is poured after finishing and smashes expanded and vitrified small ball light mortar protective layer 12.
(15) channel-section steel of support top roof boarding is removed.
Gunite concrete is implemented in roof boarding bottom, and gunite concrete thickness is 80mm, and gunite concrete is constructed at twice, the
Construction of shotcrete thickness is 40mm, and second construction of shotcrete thickness is 40mm, two-layer injection in front and back when
Between be spaced should less than concrete final setting time.
Gunite concrete presses following enforcement：
Pre-plugged jet thickness mark is answered on spraying operation face.Before gunite concrete, construction surface must be sprayed water wet
Profit, it is to avoid construction surface absorbs excess moisture from gunite concrete.But, water spray can not be too many, it is impossible to leaves construction surface many
Remaining moisture.Water spray is carried out using shower nozzle.Shower nozzle construction when try one's best vertical construction face, with construction surface keep distance should ensure that spray
Penetrate concrete compaction.If shower nozzle from construction surface too close to, the concrete of injection can be washed the concrete for having sprayed open, if from
Too remote, then the density of concrete is poor.Operating personnel should stand motionless, hold shower nozzle, make shower nozzle from top to bottom, from one side to
Another side should not be once sprayed at one and reach whole thickness as the movement of fan-type, and gunite concrete should be made to be formed uniformly
One layer.If it find that the concrete for ejecting is uneven, it is necessary to make shower nozzle leave construction surface immediately, mixed until ejected
Solidifying soil is uniformly further continued for normally sprayed construction.In course of injection, if it find that concrete surface drying, loose, tenesmus, sliding
Or during drawing crack phenomenon, should remove in time, spray again.
Claims (3)
1. a kind of roof boarding reinforcement means, is characterized in that construction procedure includes：
(1) works above cleaning roof boarding；
(2) roofing twist drill pilot hole；
(3) channel-section steel support top roof boarding is used；
(4) roof boarding plate end office (EO) portion's concrete is cut, cuts into square hole；
(5) stiffener supporting-point position local roof boarding is cut, and roof boarding digs into terrace with edge；
(6) regulating bolt and regulating nut are installed successively at stiffener supporting-point position, steel cushion block are welded on regulating nut,
Then stiffener is welded with steel cushion block；
(7) the expansion pea gravel concreten for smashing stiffener supporting portion is poured, will be poured after the dabbing of expansion pea gravel concreten surface after 3 days
Building waterproofing mortar；
(8) oblique for stiffener section is passed through pilot hole, stiffener end couples with anchorage, anchorage bracing members are temporarily fixed
Position, anchorage positioning finishes to pour smashes expansion pea gravel concreten, and expansion pea gravel concreten pours the steel of the interim positioning of dismounting during smashing and props up
Support；
Tensioning is carried out after expansion pea gravel concreten possesses some strength after (9) 7 days；
Regulating bolt is tightened by spanner, applying tensioning is carried out to stiffener, tensioning is carried out in three times, first time tensioning make plus
Strong reinforcing bar upwards vertical displacement be 1/3 δ, δ be stiffener tensioning vertical displacement, implement second tensioning after interval 1h, second
Secondary tensioning makes stiffener, and vertical displacement is 1/3 δ upwards, implements third time tensioning after interval 1h, and third time tensioning makes reinforcement steel
Vertical displacement is 1/3 δ to muscle upwards；
(10) injecting treatment is carried out after tensioning is finished to pilot hole, is closed the space between stiffener and pilot hole, is used anchorage
Stiffener is fastened；
(11) encapsulation process is carried out to stiffener and anchorage handing-over position with building sealant；
(12) roof boarding plate end anchoring position expansion pea gravel concreten above brushing polyurethane coating film；
(13) polyurethane coating film brushing finishes rear paving modified asphalt waterproof coiled material；
(14) modified asphalt waterproof coiled material paving is poured after finishing and smashes expanded and vitrified small ball light mortar protective layer；
(15) channel-section steel of support top roof boarding is removed；
(16) gunite concrete is implemented in roof boarding bottom, and gunite concrete thickness is 80～90mm, and gunite concrete is applied at twice
Work, first time construction of shotcrete thickness are 40～50mm, and second construction of shotcrete thickness is 40～50mm, in front and back
The time interval of two-layer injection should not be less than the final setting time of concrete.
2. roof boarding reinforcement means according to claim 1, is characterized in that stiffener tensioning vertical displacement δ value as the following formula
Calculated,
L1For the oblique segment length of stiffener, L2For stiffener horizontal section length, σkFor the stretching force of stiffener, ESFor reinforcing bar
Elastic modelling quantity.
3. roof boarding reinforcement means according to claim 1, is characterized in that gunite concrete by following enforcement：Spraying operation
Pre-plugged jet thickness mark is answered on face；Before gunite concrete, construction surface must be sprayed water moistening, it is to avoid construction surface is from spray
Penetrate absorption excess moisture in concrete；But, water spray can not be too many, it is impossible to makes construction surface leave excessive moisture；Water spray is using spray
Head is carried out；Shower nozzle construction when try one's best vertical construction face, with construction surface keep distance should ensure that gunite concrete is closely knit；Shower nozzle
If from construction surface too close to, the concrete of injection can be washed the concrete for having sprayed open, if from too away from, concrete
Density is poor；Operating personnel should found motionless, holding shower nozzle, make shower nozzle from top to bottom, as fan-type from one side to another side
Mobile, should not once spray at one and whole thickness is reached, gunite concrete should be made to form uniform one layer；If it find that injection
Concrete out is uneven, it is necessary to make shower nozzle leave construction surface immediately, until the concrete for ejecting just uniformly is further continued for
Normal ground sprayed construction；In course of injection, if it find that when concrete surface drying, loose, tenesmus, sliding or drawing crack phenomenon, should
Remove in time, spray again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510267894.5A CN104863382B (en) | 2013-10-19 | 2013-10-19 | Roof boarding reinforcement means |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310510819.8A CN103526953B (en) | 2013-10-19 | 2013-10-19 | The roof panel processing method that bearing capacity is inadequate |
| CN201510267894.5A CN104863382B (en) | 2013-10-19 | 2013-10-19 | Roof boarding reinforcement means |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310510819.8A Division CN103526953B (en) | 2013-10-19 | 2013-10-19 | The roof panel processing method that bearing capacity is inadequate |
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| Publication Number | Publication Date |
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| CN104863382A CN104863382A (en) | 2015-08-26 |
| CN104863382B true CN104863382B (en) | 2017-03-08 |
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| CN201510267894.5A Active CN104863382B (en) | 2013-10-19 | 2013-10-19 | Roof boarding reinforcement means |
| CN201310510819.8A Expired - Fee Related CN103526953B (en) | 2013-10-19 | 2013-10-19 | The roof panel processing method that bearing capacity is inadequate |
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| CN201310510819.8A Expired - Fee Related CN103526953B (en) | 2013-10-19 | 2013-10-19 | The roof panel processing method that bearing capacity is inadequate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481074B (en) * | 2014-10-23 | 2017-06-30 | 中国二十冶集团有限公司 | The construction method of heavy grade Sloping roof techonosphere antiskid |
| CN105133492B (en) * | 2015-09-24 | 2017-05-10 | 中交第二航务工程局有限公司 | Concrete bridge deck with channels at bottom |
| CN107327157B (en) * | 2017-09-04 | 2023-12-15 | 安徽津达建材股份有限公司 | Reinforced structure of concrete floor |
| CN108386001A (en) * | 2018-03-09 | 2018-08-10 | 北京航空航天大学 | A kind of structural strengthening technique based on puffing concrete |
| CN112942832B (en) * | 2021-02-03 | 2022-07-29 | 湖南宝家云建筑工程管理有限公司 | Building main body structure building method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3306182A1 (en) * | 1983-02-23 | 1984-08-23 | Johann 8351 Loham Wenninger | Column foot |
| JP2012072604A (en) * | 2010-09-29 | 2012-04-12 | Nippon Steel Corp | Reinforcing panel and reinforcing structure |
| CN202483089U (en) * | 2012-03-17 | 2012-10-10 | 叶长青 | Waterproof rigid roof |
| CN202530637U (en) * | 2012-03-31 | 2012-11-14 | 叶长青 | Inaccessible roof structure |
| CN102828623A (en) * | 2012-08-30 | 2012-12-19 | 北京首钢建设集团有限公司 | Construction method for maintaining and locally reinforcing reinforced concrete structure |
| CN202787690U (en) * | 2012-08-24 | 2013-03-13 | 叶长青 | Transverse connection construction of sandwich roof plate |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102326A (en) * | 1986-04-23 | 1987-03-11 | 夏英湖 | The storey-plus extension project in the old room of low layer, greening |
| CN2257561Y (en) * | 1996-06-21 | 1997-07-09 | 韩生健 | Thermal insulation energy saving, greening device for roofing |
| CN1431368A (en) * | 2003-01-16 | 2003-07-23 | 林廷勇 | Artificial lawn used for curing sandy, its producing method and operation method |
| CN2771365Y (en) * | 2004-10-08 | 2006-04-12 | 邹新建 | Plastic board with primary and secondary drainage passage and water storage for greening |
-
2013
- 2013-10-19 CN CN201510267894.5A patent/CN104863382B/en active Active
- 2013-10-19 CN CN201310510819.8A patent/CN103526953B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3306182A1 (en) * | 1983-02-23 | 1984-08-23 | Johann 8351 Loham Wenninger | Column foot |
| JP2012072604A (en) * | 2010-09-29 | 2012-04-12 | Nippon Steel Corp | Reinforcing panel and reinforcing structure |
| CN202483089U (en) * | 2012-03-17 | 2012-10-10 | 叶长青 | Waterproof rigid roof |
| CN202530637U (en) * | 2012-03-31 | 2012-11-14 | 叶长青 | Inaccessible roof structure |
| CN202787690U (en) * | 2012-08-24 | 2013-03-13 | 叶长青 | Transverse connection construction of sandwich roof plate |
| CN102828623A (en) * | 2012-08-30 | 2012-12-19 | 北京首钢建设集团有限公司 | Construction method for maintaining and locally reinforcing reinforced concrete structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103526953B (en) | 2016-04-27 |
| CN104863382A (en) | 2015-08-26 |
| CN103526953A (en) | 2014-01-22 |
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Effective date of registration: 20201112 Address after: No.3, Tonghai Road, chuegang Town, Rudong County, Nantong City, Jiangsu Province, 226400 Patentee after: Rudong County Shengtai new rural development and Construction Co., Ltd Address before: 325000 No. 4, Jinchuan Road, Tianhe street, Wenzhou economic and Technological Development Zone, Zhejiang, China Patentee before: Ye Changqing |