CN103790290A - Construction method of roof foam concrete sloping layer - Google Patents
Construction method of roof foam concrete sloping layer Download PDFInfo
- Publication number
- CN103790290A CN103790290A CN201310754383.7A CN201310754383A CN103790290A CN 103790290 A CN103790290 A CN 103790290A CN 201310754383 A CN201310754383 A CN 201310754383A CN 103790290 A CN103790290 A CN 103790290A
- Authority
- CN
- China
- Prior art keywords
- foam concrete
- foam
- concrete
- water
- cement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a construction method of a roof foam concrete sloping layer. The method includes main steps of base course treatment, foam concrete fabrication, pumping and pouring, slicking, maintaining, and expansion joint cutting. The foam concrete is lightweight material including a great amount of closed pores, made by: pressing foam solution by a mechanical method into foam with evenly closed bubbles, pouring the foam into slurry composed of cement, aggregates, admixture, water and other admixtures, mixing, casting in situ and moulding, and naturally maintaining. The foam concrete of 700-900kg/m<3> volume weight is generally used for roof sloping and has compressive strength between 2.0MPa and 4.5MPa; the foam concrete has good properties during the construction process, such as good pumpability, light weight, high compressive strength and good impact energy absorption; the function requirements of the roof sloping layer are met.
Description
Technical field
The invention belongs to building engineering field, particularly a kind of roofing foam concrete sloping layer construction, is applicable to the construction of general industry and civil building engineering roofing employing foam concrete sloping layer.
Background technology
Construction work flat roof deck is got rid of the object of rain water on roof in order to reach, often adopt and look for the method on slope to cause roof pitch, at the roof panel upper berth of level one deck if the light material such as cinder concrete, expanded perlite is as sloping layer.Cinder concrete, expanded perlite are as conventional roofworks sloping layer, there is the advantage such as low price, easy construction, but in recent years due to reasons such as the mass defects such as construction technology is backward, materials procurement is difficult and easy appearance is seeped water, string water cause that secondary is done over again, seldom in engineering, use, just progressively substituted by brand-new materials such as ceramsite concrete light-weight concrete, foam concrete.And foam concrete is as a kind of novel slope material of looking for, meet designing requirement because its material light weight is conducive to alleviate easy relatively low, the compressive strength of construction period, construction costs that is conducive to of load, construction method, become gradually building roof at present and look for one of the preferred material on slope.
Summary of the invention
In order to overcome above-mentioned defect of the prior art, the invention provides a kind of roofing foam concrete sloping layer construction.
The present invention is by the following technical solutions:
Roofing foam concrete sloping layer construction, is characterized in that, comprises the following steps:
(1) base treatment: basic unit's armored concrete slab face cleaning is clean, answers non-loosening, hollowing, dusting to fall ash; By thickness, the design grade of the selected foam concrete layer of design, smear 5cm × 5cm ash cake by 1:2 cement mortar, anyhow to about spacing 2m, then bracing wire, floating screed; In basic unit, sprinkle water moistening, then brush plain-water slurry one;
(2) foam concrete preparation: the mixed proportion of the proportioning of determining cement paste according to cube weight ratio of designing requirement, compressive strength, the proportioning of foam dilution and foam and cement paste, cement, water and Admixture are put into mixer and stir into even cement slurry; In foaming bottle, add the water inflating pressure 3～6 minutes of 12～13 times of blowing agent and foaming dosage, after air compressor machine air pressure boosts to 0.6～0.8MPa, shut down stand-by; The foam of having sent out directly blows in cement paste by foaming cylinder, stirs, and in the time that mixer inner foam concrete slump increases to 200～220mm, stops adding foam after reaching design cube weight ratio, then continues to stir foam concrete 5～6 minutes;
(3) pumping is built: utilize delivery pump in foam concrete conveyer by the foam concrete material pulp pumping of making to working face;
(4) strike off: adopt the segmental operation foam concrete that paves, virtual resurfacing thickness is actual (real) thickness 1.2～1.3 times, then strike off with the aluminium alloys darby of growing 3 meters;
(5) maintenance: foam concrete constructed 24 hours after water seasoning, every day trickle 2-3 time, curing time is no less than 7 days;
(6) cutting shrinkage joint: after foam concrete final set, directly cut into seam with cutting machine, dividing joint spacing is 4m × 4m, and the width of dividing joint is by 3～5mm indwelling, depth ratio lay the little 5mm of foam concrete thickness, after curing time, finishes in dividing joint pointing sealing compound.
Foam concrete is the foam that with mechanical means, bubble solution is added to the bubble composition that is pressed into even sealing, then in the slurry of foam being injected into by cement, gathering materials, admixture, water and various Admixtures etc. being made, again through mix and blend, then cast-in-place moulding, more a kind of light material that contains a large amount of sealed porositys forming through natural curing.Foam concrete for roof slope making generally adopts unit weight 700-900kg/m3's, its compressive strength is between 2.0-4.5MPa, there is in work progress the superperformances such as pumpability is good, light weight, compressive strength is high, impact energy absorption characteristic is good, reached the functional requirement of roof slope making layer.
The present invention has the following advantages:
(1) foam concrete is as a kind of novel roof slope making material, and construction adopts the method for cast-in-site, can form an entirety with concrete roof, the features such as light weight, construction method are easy, cheap, environmental protection and economy.
(2), before construction, roof structure need not levelling, can directly construct.Can realize disposable integral and build moulding, the shortcoming such as the operation that overcomes traditional work is many, long in time limit, repair rate is high.The preparation of foam concrete can, by parameters on equipment, be completed by computer control automatically, and parameter adjustment is simple and direct, and quality is easily controlled.
(3) protection roofing, extends the waterproof life-span, strengthens flameproof effect.Because foam concrete inside is made up of countless foam holes, there is good heat-proof quality, can effectively prevent the temperature difference crack common fault of roof structure distortion and deck structure and brick wall junction.Water absorption rate is low, coefficient of thermal conductivity is little, light weight body is hard foam concrete and waterproofing course are close to one; both can effectively prevent from occurring Seepage because rising-heat contracting-cold causes the strain cracking of roof construction layer; can effectively prevent again the aged deterioration of flexible waterproof material; and foam concrete itself just has certain waterproof effect; when protection aspect, can also extend the life-span of waterproofing course and strengthen waterproof effect.
Accompanying drawing explanation
Fig. 1 is process chart of the present invention.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described in further detail.
The specific embodiment
Foam concrete roof slope making layer construction quality should meet " Technical code for roof engineering " (GB50345-2004) and " roofworks inspection of quality standard " pertinent regulations (GB50207-2002).
1, material and equipment
1.1 material requirements
(1) blowing agent
The polymer of foam concrete take pyrolytic polymer surfactant as organic binder, by the foamed system of foaming machine, fully foams blowing agent.
(2) cement is Portland cement, the portland slag cement of 42.5 or 32.5 grades of strength grades.Soundness is qualified, and without caking phenomenon.Forbid the cement of different cultivars, different intensity grades mixed.
(3) water, meets " concrete mixing water supply standard " regulation (JGJ63-89).
(4) additive: be generally thickener, to regulate concrete denseness, avoid segregation.
1.2 main plants
| Facility title | Specification | Quantity | Purposes |
| Foaming mixer | RT-750 type | 1 | Concrete foaming |
| Foam concrete delivery pump | RT-30 type | 1 | Delivering concrete |
| Foam concrete carrier pipe | ? | ? | Delivering concrete |
| Platform scale | ? | 1 | ? |
| Trolley | ? | 2 | ? |
| Material collecting box for harvesting | ? | 1 | ? |
| Guiding ruler | ? | 3 | ? |
| Special detection tool | ? | 2 | ? |
| Broom | Common | 25 | Cleaning basic unit |
| Flat chisel or perching knife | ? | 15 | Cleaning basic unit |
| Chalk gray line | ? | 2 | Doing mark uses |
| Invar tape | 5 meters | 5 | Sizing |
| Leather measuring tape | 30 meters or 2 | ? | Sizing |
2, construction technology process
As shown in Figure 1, roofing foam concrete sloping layer construction, comprises the following steps:
2.1 base treatment: basic unit's armored concrete slab face must clean totally, the phenomenons such as ash are fallen in non-loosening, hollowing, dusting.
2.2 by thickness, the design grade of the selected foam concrete layer of design, smears 5cm × 5cm ash cake by 1:2 cement mortar, anyhow to about spacing 2m, then bracing wire, floating screed.
2.3 sprinkle water moisteningly in basic unit, then brush plain-water slurry one.
2.4 foam concrete preparations
2.4.1 determine match ratio: the mixed proportion of the proportioning of determining cement paste according to cube weight ratio of designing requirement, compressive strength, the proportioning of foam dilution and foam and cement paste.
2.4.2 cement paste preparation: according to match ratio, cement, water and Admixture are put into mixer and stir into even slurry.
2.4.3 foam preparation: add the water inflating pressure 3～6 minutes of 12～13 times of blowing agent and foaming dosage in foaming bottle, shut down stand-by after air compressor machine air pressure boosts to 0.6～0.8MPa.
2.4.4 mix and blend: the foam capsule of having sent out directly blows in cement paste by foaming cylinder, stirs.In the time that mixer inner foam concrete slump increases to 200～220mm, reach design and stop adding foam after cube weight ratio, then continue to stir foam concrete 5～6 minutes.
2.5 pumpings are built: utilize delivery pump in foam concrete conveyer by the foam concrete material pulp pumping of making to working face.In course of conveying, make pump automatic Regulation, make all the time pumping height and operating pressure adapt, make it slowly and reposefully foam cement to be transported to the scope of operation, reduce foam fragmentation.
2.6 strike off: adopt the segmental operation foam concrete that paves, virtual resurfacing thickness is actual (real) thickness 1.2～1.3 times, then strike off with the aluminium alloys darby of growing 3 meters.
2.7 maintenances: foam concrete is answered water seasoning after having constructed 24 hours, every day, trickle was advisable for 2-3 time, and curing time must not be less than 7 days.Foam concrete rate of set is slower, just can pedestrian after construction completes approximately two days.In curing time, avoid personnel to walk in the above as far as possible and forbid piling up article, in order to avoid destroy bubble structure wherein.
2.8 cutting shrinkage joint: after foam concrete final set, directly cut into seam with cutting machine, dividing joint spacing is preferably 4m × 4m, and the width of dividing joint is by 3～5mm indwelling, depth ratio lay the little 5mm of foam concrete thickness, after curing time, finishes in dividing joint pointing sealing compound.
3, quality control
3.1 Guarantee item
3.1.1 the compressive strength of foam concrete, unit weight, thickness should meet designing requirement.
3.1.2 foam concrete kind, specification should meet the regulation of relevant design and relevant criterion.
3.1.3 the material of cement, blowing agent must meet the regulation of designing requirement and construction inspection rules.
3.1.4 the foam concrete of foam-in-place, its match ratio is answered accurate measurement, is stirred, and layering is constructed continuously, and tackles its density, compressive strength, random witness sampling censorship.
3.1.5 open valley, eaves gutter, cornice, Shui Luokou, flashing, deformation joint and the water proof structure that goes out roofing must meet design and code requirement.
3.2 quality control method
3.2.1 various materials are up to the standards, and incidental manual and the quality certification should be complete.
3.2.2 sleet sky or weather more than fresh breeze must not be constructed, and the environment temperature of construction should be between 5 ℃～40 ℃.
3.2.3 foam concrete slurry stirs and will stir, and strictly by match ratio control water/binder ratio.
3.2.4 while stirring foam concrete foam and cement slurry, should strictly control mixing time in 60～90 seconds, overlong time is easily damaged air bag, affects concrete heat conductivility.
3.2.5 construction water must adopt tap water, forbids to mix and send out in foaming agent containing the water of acidic materials, in order to avoid produce chemical reaction, the foaming effect of foaming agent is sent out in impact.
3.2.6 while building, adopt low pressure slow motion pumping, concrete is slowly flowed out from pump line, avoid bubble too much broken.
3.2.7 the thickness of integral cast-in-situ roofing foam concrete should not be less than 60mm, and the area of dividing joint indwelling should not be greater than 4m × 4m, and dividing joint application flexibility waterproofing materials is filled out embedding; Its gradient must accurately, meet designing requirement, can not fall flashing.
3.2.8 large area foam concrete surface should be smooth, checks with 2m guiding ruler, and space should not be greater than 5mm, and must not have the phenomenons such as loose, dusting, peeling.
3.2.9 various built-in fittings, the preformed hole (water pipe, drain hole etc.) in foam concrete, buried underground should be carried out before building, and forbid to punching and burrow on topping.Must not in topping, bury pipeline underground.
3.3 finished product protection
The foam concrete intensity of 3.3.1 having poured into a mould reaches after regulation requirement, just can allow personnel walk about and carry out other operation thereon.
3.3.2 job site has special messenger to be responsible for keeping an eye on the operation of next procedure, must not use trolley to travel, and while using the instruments such as spade, should avoid shoveling brokenly sloping layer, will repair in time if any breakage.
3.3.4 after foam concrete is poured, should clear up in time excess surface water, in order to avoid affect its intensity or cause hollowing.
3.4 quality problems that should note
3.4.1 foam concrete leakiness: the inaccurate and misoperation mainly due to match ratio and causing.Substrate is moistening not thorough excessively thin with bed course, also can cause leakiness.
3.4.2 air spots, absolute altitude are forbidden: conscientious levelling when operation.When cast, must grasp according to drawn horizon the laying depth of foam concrete, after going height to fill and lead up, strike off take ash cake or floating screed as standard with wooden darby.
3.4.3 irregular cracks: pour into a mould in the excessive not segmentation of a foam concrete sloping layer area point storehouse, maintenance not in time or curing time is inadequate etc., and factor can cause crack to produce.
4, safety measure
4.0.1 workman enters before site construction, must carry out safety technics to workman and tell somebody what one's real intentions are, also signs, and the content of telling somebody what one's real intentions are should be complete, perfect, targeted.
4.0.2 the workman that marches into the arena must prepare safety helmet and work rain boots, and wear masks, the protection such as gloves articles for use.
4.0.3 construction operation personnel must understand and grasp the technical operation main points of this technique, and special work post (mechanical operator etc.) should be taken appointment with certificate.
4.0.4 all facility are transported to behind job site, should detect, debug, determine after fault-free by professional electrician, can construct.
4.0.5 special-purpose machines and tools must arrange special switchbox.
4.0.6, before foam concrete is made, reply air compressor, foaming bottle, mixer etc. check, and the work of can starting shooting after test running is normal.
4.0.7 in construction, note at any time manometric numerical value, forbid pressure to exceed standard.And strictly by operational procedure and operation in tandem air compressor and foaming bottle, prevent that the bounce-back of air compressor gas flow tube from hurting sb.'s feelings.
5, environmental practice
5.0.1 enter various materials and must meet environmental requirement, and have the quality certification and environmental protection tests report.
5.0.2 cement and blowing agent stock separately.In work progress, should avoid airborne dust as far as possible, be stained with the phenomenons such as band; In the time that above-mentioned phenomenon occurs, should take in time the requisite measures such as watering, flushing.
5.0.3 in the time adding material, constructor must be with the protective articless such as mouth mask.
5.0.4 to reduce noise and the vibrations of air compressor, mixer or take corresponding quarantine measures.When construction, should avoid resident's time of having a rest.
5.0.5 when construction, note the operation of being careful, not cross pollution, more can not pollute finished product.In the refuse collecting on ground, cleaning in time, forbids to toppling over downstairs, in order to avoid cause environment pollution and danger.
5.0.6 foam concrete is field fabrication, and all material should be unified keeping, and surplus material can not arbitrarily abandon, and especially various Admixtures and blowing agent etc. will be packed up in time after operation completes, and keep properly.
6, performance analysis
6.01 adopt foam concrete do roof slope making layer have compared with other roof slope making layer (as cinder concrete, expanded perlite, haydite concrete etc.) from heavy and light, technique simply, the advantage such as relative low price, there is good comprehensive benefit.
6.02 work progresss stir, pumping realizes automation, and efficiency is high, save artificial.
6.03 foam concrete are inorganic material, can not burn, thereby have good refractoriness, on building, use, and can improve the fireproof performance of building.
6.04 foam concrete have the effect of waterproof, have strengthened effect and the safety factor of roof waterproof.
Claims (1)
1. roofing foam concrete sloping layer construction, is characterized in that, comprises the following steps:
(1) base treatment: basic unit's armored concrete slab face cleaning is clean, answers non-loosening, hollowing, dusting to fall ash; By thickness, the design grade of the selected foam concrete layer of design, smear 5cm × 5cm ash cake by 1:2 cement mortar, anyhow to about spacing 2m, then bracing wire, floating screed; In basic unit, sprinkle water moistening, then brush plain-water slurry one;
(2) foam concrete preparation: the mixed proportion of the proportioning of determining cement paste according to cube weight ratio of designing requirement, compressive strength, the proportioning of foam dilution and foam and cement paste, cement, water and Admixture are put into mixer and stir into even cement slurry; In foaming bottle, add the water inflating pressure 3～6 minutes of 12～13 times of blowing agent and foaming dosage, after air compressor machine air pressure boosts to 0.6～0.8MPa, shut down stand-by; The foam of having sent out directly blows in cement paste by foaming cylinder, stirs, and in the time that mixer inner foam concrete slump increases to 200～220mm, stops adding foam after reaching design cube weight ratio, then continues to stir foam concrete 5～6 minutes;
(3) pumping is built: utilize delivery pump in foam concrete conveyer by the foam concrete material pulp pumping of making to working face;
(4) strike off: adopt the segmental operation foam concrete that paves, virtual resurfacing thickness is actual (real) thickness 1.2～1.3 times, then strike off with the aluminium alloys darby of growing 3 meters;
(5) maintenance: foam concrete constructed 24 hours after water seasoning, every day trickle 2-3 time, curing time is no less than 7 days;
(6) cutting shrinkage joint: after foam concrete final set, directly cut into seam with cutting machine, dividing joint spacing is 4m × 4m, and the width of dividing joint is by 3～5mm indwelling, depth ratio lay the little 5mm of foam concrete thickness, after curing time, finishes in dividing joint pointing sealing compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754383.7A CN103790290A (en) | 2013-12-31 | 2013-12-31 | Construction method of roof foam concrete sloping layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754383.7A CN103790290A (en) | 2013-12-31 | 2013-12-31 | Construction method of roof foam concrete sloping layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103790290A true CN103790290A (en) | 2014-05-14 |
Family
ID=50666306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754383.7A Pending CN103790290A (en) | 2013-12-31 | 2013-12-31 | Construction method of roof foam concrete sloping layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790290A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119101A (en) * | 2014-07-29 | 2014-10-29 | 中冶建工集团有限公司 | Cast-in-place light-weight foamed concrete construction technique |
| CN105415497A (en) * | 2015-12-18 | 2016-03-23 | 江苏兆通工程技术有限公司 | Preparation process of foamed light soil |
| CN107060225A (en) * | 2017-04-28 | 2017-08-18 | 江苏工程职业技术学院 | A kind of energy-saving type heat-preserving heat-insulated roof construction method |
| CN107435417A (en) * | 2017-06-20 | 2017-12-05 | 中国华西企业有限公司 | Roofing foam concrete construction |
| CN108756082A (en) * | 2018-06-20 | 2018-11-06 | 上海宝冶集团有限公司 | Cast-in-site roof cement insulation board construction method and housing construction method |
| CN109838047A (en) * | 2019-02-26 | 2019-06-04 | 青岛海川建设集团有限公司 | The composite foamed slurry construction of ZR |
| CN111574141A (en) * | 2020-03-31 | 2020-08-25 | 中国一冶集团有限公司 | Ceramsite concrete, ceramsite concrete protective layer and construction method thereof |
| CN113638601A (en) * | 2021-05-14 | 2021-11-12 | 安徽芜湖海螺建筑安装工程有限责任公司 | Method for performing heat preservation and flashing slope finding on top of concrete storage warehouse by utilizing foamed concrete |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030011997A (en) * | 2001-07-30 | 2003-02-12 | 허봉도 | Construction method for useing adiabatic, waterproofing, soundproofing |
| CN101363265A (en) * | 2007-08-09 | 2009-02-11 | 上海永丽节能墙体材料有限公司 | Construction method of thermal insulation buildings roof of foam glass |
| CN203174901U (en) * | 2013-04-02 | 2013-09-04 | 中建城市建设发展有限公司 | Foam concrete roof cast-in-place slab |
-
2013
- 2013-12-31 CN CN201310754383.7A patent/CN103790290A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030011997A (en) * | 2001-07-30 | 2003-02-12 | 허봉도 | Construction method for useing adiabatic, waterproofing, soundproofing |
| CN101363265A (en) * | 2007-08-09 | 2009-02-11 | 上海永丽节能墙体材料有限公司 | Construction method of thermal insulation buildings roof of foam glass |
| CN203174901U (en) * | 2013-04-02 | 2013-09-04 | 中建城市建设发展有限公司 | Foam concrete roof cast-in-place slab |
Non-Patent Citations (1)
| Title |
|---|
| 林王剑 等: "浅谈泡沫混凝土在屋面找坡层中的应用", 《浙江建筑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104119101A (en) * | 2014-07-29 | 2014-10-29 | 中冶建工集团有限公司 | Cast-in-place light-weight foamed concrete construction technique |
| CN104119101B (en) * | 2014-07-29 | 2016-04-27 | 中冶建工集团有限公司 | Cast-in-placely build light foam concrete construction technology |
| CN105415497A (en) * | 2015-12-18 | 2016-03-23 | 江苏兆通工程技术有限公司 | Preparation process of foamed light soil |
| CN107060225A (en) * | 2017-04-28 | 2017-08-18 | 江苏工程职业技术学院 | A kind of energy-saving type heat-preserving heat-insulated roof construction method |
| CN107060225B (en) * | 2017-04-28 | 2019-05-17 | 江苏工程职业技术学院 | A kind of energy-saving type heat-preserving heat-insulated roof construction method |
| CN107435417A (en) * | 2017-06-20 | 2017-12-05 | 中国华西企业有限公司 | Roofing foam concrete construction |
| CN108756082A (en) * | 2018-06-20 | 2018-11-06 | 上海宝冶集团有限公司 | Cast-in-site roof cement insulation board construction method and housing construction method |
| CN109838047A (en) * | 2019-02-26 | 2019-06-04 | 青岛海川建设集团有限公司 | The composite foamed slurry construction of ZR |
| CN111574141A (en) * | 2020-03-31 | 2020-08-25 | 中国一冶集团有限公司 | Ceramsite concrete, ceramsite concrete protective layer and construction method thereof |
| CN113638601A (en) * | 2021-05-14 | 2021-11-12 | 安徽芜湖海螺建筑安装工程有限责任公司 | Method for performing heat preservation and flashing slope finding on top of concrete storage warehouse by utilizing foamed concrete |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103790290A (en) | Construction method of roof foam concrete sloping layer | |
| CN103556830A (en) | Controllable cast-in-place foam concrete roof construction method | |
| Newman et al. | Advanced concrete technology 3: processes | |
| CN102392405B (en) | Super-early-strength super-rapid-hardening concrete pavement and construction method thereof | |
| CN103723968B (en) | Nuclear power station PX pump house volute pump structure is with concrete and build the method for moulding | |
| CN102776897B (en) | Wash apron anti-settling anti-cracking construction method and structure | |
| CN109305780B (en) | Pipeline spraying repair material, preparation method and construction process for pipeline repair by using pipeline spraying repair material | |
| CN105399389A (en) | Building inner wall whitewashing gypsum and process flow thereof | |
| CN112028591B (en) | Construction method of vertical roadbed made of red mud-based cast-in-place lightweight soil | |
| CN110258848A (en) | A kind of construction method of building energy conservation CL composite shear wall | |
| CN102251670A (en) | Construction process for self-heat-insulation system of autoclaved aerated concrete block wall | |
| CN107630395A (en) | A kind of maize straw regenerates the permeable Footpath brick of lightweight aggregate concrete | |
| CN104211341A (en) | Ready-mixed plastering mortar for interior wall and production method of ready-mixed plastering mortar | |
| CN107435417A (en) | Roofing foam concrete construction | |
| CN103774801A (en) | Inverted-type roof foam glass heat-preservation system construction method | |
| CN105201101A (en) | Light aggregate concrete small hollow block building masonry construction method | |
| CN105888084A (en) | Whole outer wall internal thermal insulation system construction method by using enhanced composite thermal insulation material | |
| CN108301320A (en) | The method for paving of water-protected enclosure layer based on C40 microlith fiber concretes | |
| CN108149569A (en) | For severe cold area high-speed railway bridge floor water-protected enclosure system and its construction method | |
| CN208023405U (en) | One kind being used for severe cold area high-speed railway bridge floor water-protected enclosure system | |
| CN109722968A (en) | A kind of high-performance permeable concrete system and preparation method thereof of building waste preparation | |
| CN104230238B (en) | Exterior wall premixing motar and production method thereof | |
| CN112408851A (en) | Anti-radiation semi-permanent nano-penetration crystallization sealing compacting agent and use method thereof | |
| CN108264291A (en) | One kind is misfired concrete pouring construction method | |
| CN114319778A (en) | Construction method of foam concrete heat-preservation sound-insulation terrace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140514 |