CN103233520A - Self-waterproof system of building external wall structure and construction method of self-waterproof system - Google Patents
Self-waterproof system of building external wall structure and construction method of self-waterproof system Download PDFInfo
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- CN103233520A CN103233520A CN2013101706008A CN201310170600A CN103233520A CN 103233520 A CN103233520 A CN 103233520A CN 2013101706008 A CN2013101706008 A CN 2013101706008A CN 201310170600 A CN201310170600 A CN 201310170600A CN 103233520 A CN103233520 A CN 103233520A
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- 238000010276 construction Methods 0.000 title abstract description 16
- 239000004567 concrete Substances 0.000 claims abstract description 37
- 238000013461 design Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 238000009413 insulation Methods 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 claims description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 8
- 239000011449 brick Substances 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims description 7
- 238000004078 waterproofing Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 229920000642 polymer Polymers 0.000 claims description 5
- 239000011150 reinforced concrete Substances 0.000 claims description 5
- 238000009877 rendering Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000002344 surface layer Substances 0.000 abstract description 9
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000004604 Blowing Agent Substances 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000006071 cream Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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Abstract
The invention provides a self-waterproof system of a building external wall structure and a construction method of the self-waterproof system. The construction method comprises the technological processes of preparation works before construction, design, preparation and installation of a template, removal of the template, building of an infilled wall and antiseep processing, plugging of holes of a concrete wall, pillars and the infilled wall and acceptance of related departments. By means of the self-waterproof system and the construction method, the sale-waterproof capacity of the external wall structure is improved, and common quality problems of the external wall surface leakage caused by waterproof failure of an external wall decorative surface layer are effectively solved.
Description
Technical field
The present invention relates to a kind of outer wall structure of building from waterproofing system and job practices thereof, belong to building engineering field.This system is applicable to that outer wall structure of building is from waterproof construction.
Background technology
The external wall waterproof is made up of architectural surface waterproof and deck waterproof two parts.The waterproof effect of architectural surface is subjected to the influence of factors such as amblent air temperature, material property, construction quality, service life, waterproof failure phenomenon ubiquity, and along with the growth of service life, waterproof effect can reduce gradually, and wall leakage can be serious day by day.Improving the waterproof ability of external wall structure layer self, is the effective way of avoiding wall face seepage behind the architectural surface waterproof failure.
Summary of the invention
In order to overcome the deficiency in the background technology, the invention discloses a kind of outer wall structure of building from waterproofing system and job practices thereof, can effectively solve the quality problems that cause the wall face seepage because of decoration of exterior wall surface layer waterproof failure.
A kind of outer wall structure of building is characterized in that from waterproofing system and job practices thereof concrete steps are:
Keep somewhere the 50-60mm height gap between step 4, infilled wall and the reinforced concrete beam, after body of wall finishes building 7 days, closely knit with the filling of C20 compensation pea gravel concreten;
Before step 5, the external rendering, with 1:2 cement mortar finishing exterior wall interface male and female face, paste with cement gel mud and be not less than the wide double-deck alkali-resistant glass fiber mesh of 200mm earlier, every square of weight of the glass fiber net of use is not less than 160 grams.
Described step 1 is offered the bank groove that blocks water at 8-10mm place, distance post outboard template edge, and the template thickness of the bank groove that blocks water is not less than 20mm, and the bank groove width that blocks water is 20-25mm, and the degree of depth is 8-10mm.
Before the filling of described step 4 earlier with the moistening brick face of clear water and then from indoor to outdoor filling.
Beneficial effect of the present invention:
The present invention has improved external wall structure self waterproof ability, has effectively avoided causing because of decoration of exterior wall surface layer waterproof failure the common quality defect of wall face seepage.
Description of drawings:
Fig. 1: structural wall, beam forms schematic diagram.
Fig. 2: structural column template schematic diagram.
Fig. 3: door or window hole structure post and insulation and decoration layer structural representation.
Fig. 4: infilled wall and post schematic diagram.
Fig. 5: infilled wall and beam schematic diagram.
As Fig. 1 to shown in Figure 5,1, wall, beam concrete structure, 2, wall, beam exterior sheathing, 3, bank blocks water, 4, wall, beam bottom board plate, 5, the post concrete structure, 6, the post exterior sheathing, 7, the post side template, 8, insulation layer, 9, the external rendering surface layer, 10, constructional column, 11, infilled wall, 12, inner wall render surface layer, 13, fluid sealant, 14, blowing agent, 15, jamb, 16, alkali-resistant glass fiber mesh, 17, reinforced concrete beam, 18, pea gravel concreten, 19, concrete column, 20, polymer mortar.
The specific embodiment:
Specify the present invention below in conjunction with embodiment.
Technological process is: preparation of construction work → stencil design and preparation, installation → form removable → infilled wall are built by laying bricks or stones with antiseep processing → concrete wall, post, infilled wall duct shutoff → main body branch and are checked and accepted.
Embodiment 1:
(1), carries out stencil design, the establishment construction technology according to contents such as the concrete component form in the drawing design, load size, construction equipments.The mould material of selecting for use answers shape, size accurate, and seam is tight, and enough intensity, rigidity are arranged, and improves the component forming accuracy of gauge, and honeycombing appears in prevention template spillage.
(2), as shown in Figure 1, the outside of wall, beam concrete structure 1 and bottom are respectively arranged with wall, beam exterior sheathing 2 and 4, wall, beam bottom board plate.As shown in Figure 2, the outside of post concrete structure 5 is respectively arranged with post exterior sheathing 6 and post side template 7.The bank groove that blocks water is offered at wall, beam bottom board plate 4 edges at the exterior wall position, and the 8mm place offers the bank groove that blocks water at distance post outboard template edge, and the template thickness of offering the bank groove that blocks water should be less than 20mm, the bank groove width 20mm that blocks water, degree of depth 8mm.
When exterior wall door and window hole base steel concrete being installed bearing down on one template, the template top gradient downstream should be less than 10%, and outdoor section concrete thinnest part is not less than design thickness.During design exterior wall bridging piece template, bed die is laid by design elevation, and side form is looked for slope downstream by 3%, and the minimal thickness in end is not less than design thickness.
The exterior wall design has insulation layer, according to insulation layer 8 thickness at door and window hole both sides constructional column 10 or the concrete wall arranged outside bank 3 that blocks water, the same insulation layer thickness of bank height that blocks water can effectively prevent rain leakage, has also guaranteed the consistency of thickness of doorframe and window frame inner wall render surface layer 12 and external rendering surface layer 9.As shown in Figure 3, be provided with blowing agent 14 between door jamb 15 and the constructional column.
(3), the concrete column surface side form that is provided with the Kan Tai that blocks water should reach 50% when above of design strength in the bank intensity that blocks water, and outwards removes from the post mould is inboard, crowbar damages the bank that blocks water when preventing from removing; Other side forms should can be removed when concrete strength can guarantee that its surface and corner angle are not damaged because of form removal.Bed die should be removed from beam form is inboard when reaching the job specfication regulation and require with the intensity of test block of condition maintenance with structure, should note the protection bank that blocks water during dismounting, prevents from damaging.The bank of finding during form removal to block water damages, and uses the 1:2 cement mortar and repairs.Indivedual surface of concrete structure have than the honeycomb of small size or reveal stone mass defect, and available 1:2 cement mortar is floating.Larger area honeycomb, dew stone and dew muscle cutter earlier go the layer of concrete that becomes flexible and the particles of aggregates of giving prominence to individually, cleaning concrete surface then, improve one-level with pea gravel concreten 18(than former strength grade of concrete again) filling, and careful tamping, prevent that the seepage phenomenon from appearring in exterior wall.
(4), as shown in Figure 4, the perps width should be controlled at 10mm between infilled wall 11 and the concrete column, before polymer mortar 20 initial sets wall outside perps mortar is rejected to the bank that blocks water, wait then to finish building and use fluid sealant 19 shutoff perps after 24 days when the body of wall dry condition, the glue cream of perps should be full.As shown in Figure 5, keep somewhere the 50mm height gap between infilled wall and the reinforced concrete beam 17, body of wall finishes building after 7 days closely knit with the filling of C20 compensation pea gravel concreten again, before the filling earlier with the moistening brick face of clear water and then from indoor to outdoor filling.
(5), whitewash before, earlier be not less than the wide double-deck alkali-resistant glass fiber mesh 16 of 200mm with pasting with cement gel mud again behind the 1:2 cement mortar finishing exterior wall interface male and female face, every square of weight of the glass fiber net of use is not less than 160 and restrains.
(6), after construction finishes, should in time put construction information in order, submit a report asking for relevant department's tissue and check and accept.
Embodiment 2:
(1), carries out stencil design, the establishment construction technology according to contents such as the concrete component form in the drawing design, load size, construction equipments.The mould material of selecting for use answers shape, size accurate, and seam is tight, and enough intensity, rigidity are arranged, and improves the component forming accuracy of gauge, and honeycombing appears in prevention template spillage.
(2), as shown in Figure 1, the outside of wall, beam concrete structure 1 and bottom are respectively arranged with wall, beam exterior sheathing 2 and 4, wall, beam bottom board plate.As shown in Figure 2, the outside of post concrete structure 5 is respectively arranged with post exterior sheathing 6 and post side template 7.The bank groove that blocks water is offered at wall, beam bottom board plate 4 edges at the exterior wall position, and the 10mm place offers the bank groove that blocks water at distance post outboard template edge, and the template thickness of offering the bank groove that blocks water should be less than 20mm, the bank groove width 25mm that blocks water, degree of depth 10mm.
When exterior wall door and window hole base steel concrete being installed bearing down on one template, the template top gradient downstream should be less than 10%, and outdoor section concrete thinnest part is not less than design thickness.During design exterior wall bridging piece template, bed die is laid by design elevation, and side form is looked for slope downstream by 5%, and the minimal thickness in end is not less than design thickness.
The exterior wall design has insulation layer, according to insulation layer 8 thickness at door and window hole both sides constructional column 10 or the concrete wall arranged outside bank 3 that blocks water, the same insulation layer thickness of bank height that blocks water can effectively prevent rain leakage, has also guaranteed the consistency of thickness of doorframe and window frame inner wall render surface layer 12 and external rendering surface layer 9.As shown in Figure 3, be provided with blowing agent 14 between door jamb 15 and the constructional column.
(3), the concrete column surface side form that is provided with the Kan Tai that blocks water should reach 50% when above of design strength in the bank intensity that blocks water, and outwards removes from the post mould is inboard, crowbar damages the bank that blocks water when preventing from removing; Other side forms should can be removed when concrete strength can guarantee that its surface and corner angle are not damaged because of form removal.Bed die should be removed from beam form is inboard when reaching the job specfication regulation and require with the intensity of test block of condition maintenance with structure, should note the protection bank that blocks water during dismounting, prevents from damaging.The bank of finding during form removal to block water damages, and uses the 1:2 cement mortar and repairs.Indivedual surface of concrete structure have than the honeycomb of small size or reveal stone mass defect, and available 1:2 cement mortar is floating.Larger area honeycomb, dew stone and dew muscle cutter earlier go the layer of concrete that becomes flexible and the particles of aggregates of giving prominence to individually, cleaning concrete surface then, improve one-level with pea gravel concreten 18(than former strength grade of concrete again) filling, and careful tamping, prevent that the seepage phenomenon from appearring in exterior wall.
(4), as shown in Figure 4, the perps width should be controlled at 12mm between infilled wall 11 and the concrete column, before polymer mortar 20 initial sets wall outside perps mortar is rejected to the bank that blocks water, wait then to finish building and use fluid sealant 19 shutoff perps after 24 days when the body of wall dry condition, the glue cream of perps should be full.As shown in Figure 5, keep somewhere the 60mm height gap between infilled wall and the reinforced concrete beam 17, body of wall finishes building after 7 days closely knit with the filling of C20 compensation pea gravel concreten again, before the filling earlier with the moistening brick face of clear water and then from indoor to outdoor filling.
(5), whitewash before, earlier be not less than the wide double-deck alkali-resistant glass fiber mesh 16 of 200mm with pasting with cement gel mud again behind the 1:2 cement mortar finishing exterior wall interface male and female face, every square of weight of the glass fiber net of use is not less than 160 and restrains.
(6), after construction finishes, should in time put construction information in order, submit a report asking for relevant department's tissue and check and accept.
Claims (3)
1. an outer wall structure of building is characterized in that from waterproofing system and job practices thereof, and concrete steps are:
Step 1, offer the bank groove that blocks water in wall, the beam bottom board panel edges at exterior wall position, edge offers the bank groove that blocks water at distance post outboard template;
Step 2, the steel concrete template of bearing down on one in exterior wall door and window hole base is installed, the template top gradient downstream is not less than 10%; Design exterior wall bridging piece template, bed die is laid by design elevation, and side form is looked for slope downstream by 3%-5%; Exterior wall design has insulation layer, and at the door and window hole both sides constructional column arranged outside bank that blocks water, the bank height that blocks water is identical with insulation layer thickness according to insulation layer thickness;
Step 3, when building infilled wall by laying bricks or stones, the control of perps width is at 10-12mm between infilled wall and the concrete column, before the polymer mortar initial set, wall outside perps mortar is rejected to the bank that blocks water, wait then to finish building after 24 days under the body of wall dry condition, with fluid sealant shutoff perps;
Keep somewhere the 50-60mm height gap between step 4, infilled wall and the reinforced concrete beam, after body of wall finishes building 7 days, closely knit with the filling of C20 compensation pea gravel concreten;
Before step 5, the external rendering, with 1:2 cement mortar finishing exterior wall interface male and female face, paste with cement gel mud and be not less than the wide double-deck alkali-resistant glass fiber mesh of 200mm earlier, every square of weight of the glass fiber net of use is not less than 160 grams.
2. a kind of outer wall structure of building according to claim 1 is from waterproofing system and job practices thereof, it is characterized in that: described step 1 is offered the bank groove that blocks water at 8-10mm place, distance post outboard template edge, the template thickness of bank groove of blocking water is not less than 20mm, the bank groove width that blocks water is 20-25mm, and the degree of depth is 8-10mm.
3. a kind of outer wall structure of building according to claim 1 is characterized in that from waterproofing system and job practices thereof: before the filling of described step 4 earlier with the moistening brick face of clear water and then from indoor to outdoor filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310170600.8A CN103233520B (en) | 2013-01-21 | 2013-05-10 | Self-waterproof construction method of building external wall structure |
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|---|---|---|---|
| CN201310021087.6 | 2013-01-21 | ||
| CN2013100210876 | 2013-01-21 | ||
| CN201310021087 | 2013-01-21 | ||
| CN201310170600.8A CN103233520B (en) | 2013-01-21 | 2013-05-10 | Self-waterproof construction method of building external wall structure |
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| CN103233520A true CN103233520A (en) | 2013-08-07 |
| CN103233520B CN103233520B (en) | 2017-03-22 |
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| CN201310170600.8A Expired - Fee Related CN103233520B (en) | 2013-01-21 | 2013-05-10 | Self-waterproof construction method of building external wall structure |
| CN201310591273.3A Expired - Fee Related CN103938864B (en) | 2013-01-21 | 2013-11-22 | Infilled wall Constructional Col-umn Construction engineering method |
| CN201310590494.9A Expired - Fee Related CN103938796B (en) | 2013-01-21 | 2013-11-22 | Cast-in-situ reinforced concrete column construction |
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| CN201310591273.3A Expired - Fee Related CN103938864B (en) | 2013-01-21 | 2013-11-22 | Infilled wall Constructional Col-umn Construction engineering method |
| CN201310590494.9A Expired - Fee Related CN103938796B (en) | 2013-01-21 | 2013-11-22 | Cast-in-situ reinforced concrete column construction |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103233520B (en) | 2017-03-22 |
| CN103938796A (en) | 2014-07-23 |
| CN103938796B (en) | 2016-05-18 |
| CN103938864A (en) | 2014-07-23 |
| CN103938864B (en) | 2016-03-16 |
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