CN104481063A - Grouting waterproof sealing strip and water proof structure of pre-cast wall panel vertical seam and construction method of water proof structure - Google Patents
Grouting waterproof sealing strip and water proof structure of pre-cast wall panel vertical seam and construction method of water proof structure Download PDFInfo
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- CN104481063A CN104481063A CN201410759488.6A CN201410759488A CN104481063A CN 104481063 A CN104481063 A CN 104481063A CN 201410759488 A CN201410759488 A CN 201410759488A CN 104481063 A CN104481063 A CN 104481063A
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Abstract
The invention discloses a grouting waterproof sealing strip and a water proof structure of a pre-cast wall panel vertical seam and a construction method of the water proof structure. The structure comprises pre-cast wall panels and the grouting waterproof sealing strip connected between the pre-cast wall panels, wherein a through sealing ditch groove is formed along the vertical direction of each of the two side ends of the pre-cast wall panels; the cross section of each sealing ditch groove is the same as the half part, which is divided by a cross section middle line, of the grouting waterproof sealing strip in shape; the cross section of each sealing ditch groove and the half part of the grouting waterproof sealing strip are tightly stuck to each other and accord with each other; a half of the grouting waterproof sealing strip is embedded in one sealing ditch groove of one pre-cast wall panel; the other half of the grouting waterproof sealing strip is embedded in one sealing ditch groove of the other adjacent pre-cast wall panel; a water-guiding groove, a grout discharging hole and a grouting hole in the routing waterproof sealing strip all correspond to vertical connecting seams of the two pre-cast wall panels; the water-guiding groove is positioned in a water-facing surface; a micro-expanding grouting material fills the cavity of the grouting waterproof sealing strip. The construction method provided by the invention is simple; the waterproof effect and seepage-proofing effect of the pre-cast wall panel vertical seam are good; the method can be widely applied to pre-cast wall panel vertical seam waterproof construction and construction of a room wall panel with waterproof and moisture-proof functions.
Description
Technical field
The present invention relates to a kind of vertical seam grouting and water-proof weather strip, structure and construction method thereof.
Background technology
Along with the development of builing industry, industrialization of construction industry has become the inexorable trend of domestic construction industry development, builing industry will from the extensive mode of production of tradition progressively to the large mode of production transition of socialization, industrialization of construction industry is exactly adopt standardized designs, factorial praluction, prefabricated construction, integration finishing and information system management to be the mode of production of principal character, and form complete, organic industrial chain in links such as design, production, construction, exploitations, realize the industrialization of house building overall process, intensive and socialization.But domestic construction industrialization is at present started late, and system imperfection, lacks corresponding codes and standards and technological process.Prefabricated panel is that the important component of in industrialization of construction industry builds, various seam is certainly existed in prefabricated panel installation process, and also there is hidden danger of quality in seam crossing waterproofing work, at present for prefabricated panel seam Construction for waterproofing treatment complex process, not easy to operate, efficiency is low and DeGrain, therefore need one can be simple to operate, respond well, be suitable for the water proof structure mode that through engineering approaches is produced, solve this hidden danger of quality.
Summary of the invention
The object of this invention is to provide a kind of prefabricated panel and vertically stitch grouting and water-proof weather strip, waterproof construction and construction method thereof, solve that prefabricated panel seam grouting and water-proof gasket structure is complicated, efficiency of construction is low, the unconspicuous technical problem of waterproof effect.
For achieving the above object, the present invention adopts following technical scheme:
A kind of prefabricated panel vertically stitches grouting and water-proof weather strip, be connected between adjacent two pieces of prefabricated panels, described grouting and water-proof weather strip is special-shaped hollow rubber strip, the transverse width of described grouting and water-proof weather strip on its cross section is greater than the gap between adjacent two pieces of prefabricated panels, longitudinal width on its cross section is less than the thickness of prefabricated panel, transverse width in the middle part of grouting and water-proof weather strip cavity is also greater than the gap between adjacent two pieces of prefabricated panels, the cavity bilateral symmetry distribution of described grouting and water-proof weather strip, the wing root width of described both wings is less than the longitudinal width in the middle part of flange width and cavity, the middle part sidewall midline position of grouting and water-proof weather strip vertically has one elongated gutter, the upper end of another sidewall center line of the middle part of grouting and water-proof weather strip has a slurry outlet, lower end has a corresponding injected hole.
The wall thickness of described grouting and water-proof weather strip is not less than 4mm, and the thickness of groove bottom of gutter is 1.5 ~ 2.5mm.
In the middle part of described grouting and water-proof weather strip cavity, shape is rectangle, and cavity two wing-like of grouting and water-proof weather strip is trapezoidal or dove-tail.
A kind ofly apply the waterproof construction that prefabricated panel vertically stitches grouting and water-proof weather strip, comprise prefabricated panel and be connected to the grouting and water-proof weather strip between prefabricated panel, the dual-side of described prefabricated panel all has an elongated sealed groove along vertical direction, outstanding in groove in the middle part of the ledge of described sealed groove, the shape of cross section of described sealed groove is identical with the half portion shape that grouting and water-proof weather strip is demarcated with cross section center line, and be mutually close to and agree with, one half portion of grouting and water-proof weather strip embeds in the sealed groove of one piece of prefabricated panel, another half portion embeds in the sealed groove of another adjacent block prefabricated panel, the gutter of grouting and water-proof weather strip, the vertical abutment joint of all corresponding two pieces of prefabricated panels of slurry outlet and injected hole, and gutter is positioned at upstream face, microdilatancy grouting material is filled with in the cavity of described grouting and water-proof weather strip.
The batching of described microdilatancy grouting material is calculated by weight to: cement 570 ~ 590Kg, flyash 70 ~ 90Kg, expansion agent 63 ~ 83Kg, sand 1230 ~ 1270Kg, water 240 ~ 260Kg, water reducing agent 7 ~ 9Kg.
Described microdilatancy grouting material limited expansion rate>=3.5 × 10 of 14 days in water
-4, restriction contract with dry rate≤3.0 × 10 of 28 days in atmosphere
-4.
As described in the construction method of prefabricated panel vertical joint waterproofing structure, concrete steps are as follows:
Step one, when prefabricated panel makes, reserves sealed groove in the two side ends of wallboard.
Step 2, installs one piece of prefabricated panel.
Grouting and water-proof weather strip is that the half portion of boundary embeds in the sealed groove of this block prefabricated panel with gutter by step 3.
Step 4, installs another block prefabricated panel adjacent.
Step 5, embeds in the sealed groove of this block prefabricated panel by the other half portion of grouting and water-proof weather strip, and gutter is positioned at the seam crossing of two pieces of prefabricated panels and is positioned at upstream face side.
Step 6, injects microdilatancy grouting material from injected hole in the cavity of grouting and water-proof weather strip.
Step 7, when slip casting to microdilatancy grouting material flows out from slurry outlet, stops slip casting.
Step 8, after the final set of microdilatancy grouting material, carries out levelling sealing to the gap fluid sealant of injected hole, slurry outlet and two pieces of prefabricated panels.
Compared with prior art the present invention has following characteristics and beneficial effect:
Instant invention overcomes the shortcoming that traditional prefabricated panel vertical joint waterproofing complex process, effect are bad, solve high-quality, technical problem that high efficiency realizes prefabricated panel vertical abutment joint waterproof.
The grouting and water-proof gasket structure of the present invention's design is unique, connect easy reliable, waterproof effect is obvious, the rubber that grouting and water-proof weather strip adopts thickness to be not less than 4mm is made, and has good toughness and elasticity; Its special contour structures effectively can extend infiltration path, blocks steam invasion to greatest extent; Grouting and water-proof weather strip is provided with gutter in upstream face side, can encroached water is collected in gutter, form unobstructed drainage channel, guarantee that the water entering seam crossing can be got rid of timely and effectively to outside prefabricated panel; This grouting and water-proof weather strip size is certain, can prefabricated panel design prefabricated while carry out batch production making, can not be too much lose time, ensure that efficiency.
Waterproof construction of the present invention adopts grouting and water-proof weather strip to connect two pieces of prefabricated panels, and inject microdilatancy grouting material by the injected hole on grouting and water-proof weather strip and slurry outlet to its inner chamber, because of the microdilatancy performance of grouting material when condensing, can outwards expand thus extruding prefabricated panel, under the extruding of prefabricated panel and microdilatancy grouting material, due to grouting and water-proof weather strip, there is good toughness and elasticity and ensure that it can be full of in the sealed groove of prefabricated panel, can absorb or compensate pressure, block infiltration path, thus reach waterproof effect, the stability of two pieces of prefabricated panels can be ensured simultaneously, this microdilatancy grouting material is special standby grouting material, can ensure filling and injecting slurry water-proof sealing strip, ensures that again prefabricated panel does not occur displacement because expanding excessive.
Construction method of the present invention is simple, easy realization, utilize and pour into microdilatancy grouting material in grouting and water-proof weather strip, block infiltration path by extruding, utilize gutter that the water invaded and collect is got rid of in time simultaneously, reach prefabricated panel vertical joint waterproofing anti-seepage effect, wherein can carry out type design to prefabricated panel and grouting and water-proof weather strip, namely both can continue stubborn factorial praluction, in-site installation simultaneously, can ensure that structure installment accurately can ensure efficiency of construction again
The present invention can be widely used in the construction of prefabricated panel vertical joint waterproofing and have the room wallboard construction of waterproof and dampproof function.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of grouting and water-proof weather strip of the present invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is the structure schematic top plan view of prefabricated panel of the present invention.
Fig. 4 is the Construction State schematic diagram of grouting and water-proof weather strip of the present invention.
Reference numeral: 1-prefabricated panel, 2-sealed groove, 3-grouting and water-proof weather strip, 4-gutter, 5-slurry outlet, 6-injected hole, 7-microdilatancy grouting material.
Detailed description of the invention
Embodiment is shown in Figure 1, this prefabricated panel vertically stitches grouting and water-proof weather strip, be connected between adjacent two pieces of prefabricated panels 1, described grouting and water-proof weather strip 3 is special-shaped hollow rubber strip, the transverse width of described grouting and water-proof weather strip 3 on its cross section is greater than the gap between adjacent two pieces of prefabricated panels, longitudinal width on its cross section is less than the thickness of prefabricated panel, transverse width in the middle part of grouting and water-proof weather strip cavity is also greater than the gap between adjacent two pieces of prefabricated panels, the cavity bilateral symmetry distribution of described grouting and water-proof weather strip, the wing root width of described both wings is less than the longitudinal width in the middle part of flange width and cavity, the middle part sidewall midline position of grouting and water-proof weather strip vertically has one elongated gutter 4, the upper end of another sidewall center line of the middle part of grouting and water-proof weather strip has a slurry outlet 5, lower end has a corresponding injected hole 6, the wall thickness of described grouting and water-proof weather strip is not less than 4mm, the thickness of groove bottom of gutter 4 is 2mm.
Shown in Figure 2, in the middle part of the cavity of described grouting and water-proof weather strip, shape is rectangle, and cavity two wing-like of grouting and water-proof weather strip is trapezoidal.
Shown in Figure 4, a kind ofly apply the waterproof construction that described prefabricated panel vertically stitches grouting and water-proof weather strip, comprise prefabricated panel 1 and be connected to the grouting and water-proof weather strip 3 between prefabricated panel, shown in Figure 3, the dual-side of described prefabricated panel 1 all has an elongated sealed groove 2 along vertical direction, outstanding in groove in the middle part of the ledge of described sealed groove 2, the shape of cross section of described sealed groove 2 is identical with the half portion shape that grouting and water-proof weather strip 3 is demarcated with cross section center line, and be mutually close to and agree with, one half portion of grouting and water-proof weather strip 3 embeds in the sealed groove of one piece of prefabricated panel, another half portion embeds in the sealed groove of another adjacent block prefabricated panel, the gutter 4 of grouting and water-proof weather strip, the vertical abutment joint of all corresponding two pieces of prefabricated panels of slurry outlet 5 and injected hole 6, and gutter 4 is positioned at upstream face, microdilatancy grouting material 7 is filled with in the cavity of described grouting and water-proof weather strip 3, described microdilatancy grouting material 7 limited expansion rate>=3.5 × 10 of 14 days in water
-4, restriction contract with dry rate≤3.0 × 10 of 28 days in atmosphere
-4, the batching of described microdilatancy grouting material 7 is calculated by weight to: cement 570 ~ 590Kg, flyash 70 ~ 90Kg, expansion agent 63 ~ 83Kg, sand 1230 ~ 1270Kg, water 240 ~ 260Kg, water reducing agent 7 ~ 9Kg, the microdilatancy grouting material 7 adopted in this example is prepared burden as cement 580Kg in every cubic metre of microdilatancy grouting material 7, flyash 80Kg, expansion agent 73Kg, sand 1250Kg, water 250Kg, water reducing agent 7.9Kg, wherein expansion agent: adopt sulphoaluminate expander, water reducing agent: require that water-reducing rate is the water reducing agent of 20%, cement: No. 42.5 Portland cements, flyash: first level flour coal ash.
As described in the construction method of prefabricated panel vertical joint waterproofing structure, concrete steps are as follows:
Step one, when prefabricated panel 1 makes, reserve sealed groove 2 in the two side ends of wallboard: carry out secondary detailingi according to prefabricated panel drawing, determine the rational position that prefabricated panel vertically stitches, design prefabricated sealing groove structure, according to design size customized production grouting and water-proof weather strip.
Step 2, installs one piece of prefabricated panel.
Step 3, embeds grouting and water-proof weather strip 3 in the sealed groove of this block prefabricated panel with the half portion that gutter 4 is boundary.
Step 4, installs another block prefabricated panel adjacent.
Step 5, embeds in the sealed groove of this block prefabricated panel by the other half portion of grouting and water-proof weather strip 3, and gutter 4 is positioned at the seam crossing of two pieces of prefabricated panels and is positioned at upstream face side.
Step 6, injects microdilatancy grouting material 7 from injected hole 6 in the cavity of grouting and water-proof weather strip 3.
Step 7, when slip casting to microdilatancy grouting material 7 flows out from slurry outlet 5, stops slip casting.
Step 8, after microdilatancy grouting material 7 final set, levelling sealing is carried out to the gap fluid sealant of injected hole 6, slurry outlet 5 and two pieces of prefabricated panels: injected hole 6, slurry outlet 5 position cement mortar are carried out floating or hidden with ornament materials, encapsulation process is carried out to wallboard gap place fluid sealant.
Construction Attention Points: 1, should when prefabricated panel Deepen Design and grouting and water-proof weather strip together design, guarantee that grouting and water-proof weather strip can be full of prefabricated sealed groove, and guarantee finished product protection before installation in position.
When 2, prefabricated panel is installed, first installs and fix one piece, simultaneously by grouting and water-proof weather strip embedding sealing groove, install second piece of prefabricated panel again, and reinforce simultaneously, installation site requires accurately, gutter 4 will be in prefabricated panel seam crossing, and in upstream face side.
3, after two pieces of prefabricated panels are installed and fixed, both can be in the milk, the injected hole 6 of microdilatancy grouting material 7 bottom grouting and water-proof weather strip is injected, the slip casting initial stage, slowly to inject, guarantee that grouting and water-proof weather strip can be full of sealed groove space, when top slurry outlet 5 has microdilatancy grouting material 7 to flow out, illustrate and fill, can slip casting be stopped.
Claims (7)
1. a prefabricated panel vertically stitches grouting and water-proof weather strip, be connected between adjacent two pieces of prefabricated panels (1), it is characterized in that: described grouting and water-proof weather strip (3) is special-shaped hollow rubber strip, the transverse width of described grouting and water-proof weather strip on its cross section is greater than the gap between adjacent two pieces of prefabricated panels, longitudinal width on its cross section is less than the thickness of prefabricated panel, transverse width in the middle part of grouting and water-proof weather strip cavity is also greater than the gap between adjacent two pieces of prefabricated panels, the cavity bilateral symmetry distribution of described grouting and water-proof weather strip, the wing root width of described both wings is less than the longitudinal width in the middle part of flange width and cavity, the middle part sidewall midline position of grouting and water-proof weather strip vertically has one elongated gutter (4), the upper end of another sidewall center line of the middle part of grouting and water-proof weather strip has a slurry outlet (5), lower end has a corresponding injected hole (6).
2. prefabricated panel according to claim 1 vertically stitches grouting and water-proof weather strip, it is characterized in that: the wall thickness of described grouting and water-proof weather strip is not less than 4mm, and the thickness of groove bottom of gutter (4) is 1.5 ~ 2.5mm.
3. prefabricated panel according to claim 1 vertically stitches grouting and water-proof weather strip, it is characterized in that: in the middle part of described grouting and water-proof weather strip cavity, shape is rectangle, and cavity two wing-like of grouting and water-proof weather strip is trapezoidal or dove-tail.
4. an application rights requires that the prefabricated panel described in 1-3 any one vertically stitches the waterproof construction of grouting and water-proof weather strip, comprise prefabricated panel (1) and be connected to the grouting and water-proof weather strip (3) between prefabricated panel, it is characterized in that: the dual-side of described prefabricated panel (1) all has an elongated sealed groove (2) along vertical direction, outstanding in groove in the middle part of the ledge of described sealed groove (2), the shape of cross section of described sealed groove (2) is identical with the half portion shape that grouting and water-proof weather strip (3) is demarcated with cross section center line, and be mutually close to and agree with, one half portion of grouting and water-proof weather strip (3) embeds in the sealed groove of one piece of prefabricated panel, another half portion embeds in the sealed groove of another adjacent block prefabricated panel, the gutter (4) of grouting and water-proof weather strip, the vertical abutment joint of all corresponding two pieces of prefabricated panels of slurry outlet (5) and injected hole (6), and gutter (4) is positioned at upstream face, microdilatancy grouting material (7) is filled with in the cavity of described grouting and water-proof weather strip (3).
5. prefabricated panel vertical joint waterproofing structure according to claim 4, it is characterized in that: the batching of described microdilatancy grouting material (7) is calculated by weight to: cement 570 ~ 590Kg, flyash 70 ~ 90Kg, expansion agent 63 ~ 83Kg, sand 1230 ~ 1270Kg, water 240 ~ 260Kg, water reducing agent 7 ~ 9Kg.
6. prefabricated panel vertical joint waterproofing structure according to claim 5, is characterized in that: described microdilatancy grouting material (7) limited expansion rate>=3.5 × 10 of 14 days in water
-4, restriction contract with dry rate≤3.0 × 10 of 28 days in atmosphere
-4.
7. a construction method for the prefabricated panel vertical joint waterproofing structure as described in claim 4 or 5 or 6, it is characterized in that, concrete steps are as follows:
Step one, when prefabricated panel (1) makes, reserves sealed groove (2) in the two side ends of wallboard;
Step 2, installs one piece of prefabricated panel;
Step 3, embeds in the sealed groove of this block prefabricated panel by grouting and water-proof weather strip (3) with the half portion that gutter (4) is boundary;
Step 4, installs another block prefabricated panel adjacent;
Step 5, embeds in the sealed groove of this block prefabricated panel by the other half portion of grouting and water-proof weather strip (3), and gutter (4) is positioned at the seam crossing of two pieces of prefabricated panels and is positioned at upstream face side;
Step 6, injects microdilatancy grouting material (7) from injected hole (6) in the cavity of grouting and water-proof weather strip (3);
Step 7, when slip casting to microdilatancy grouting material (7) flows out from slurry outlet (5), stops slip casting;
Step 8, after microdilatancy grouting material (7) final set, carries out levelling sealing to the gap fluid sealant of injected hole (6), slurry outlet (5) and two pieces of prefabricated panels.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759488.6A CN104481063B (en) | 2014-12-12 | 2014-12-12 | Grouting waterproof sealing strip and water proof structure of pre-cast wall panel vertical seam and construction method of water proof structure |
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|---|---|---|---|
| CN201410759488.6A CN104481063B (en) | 2014-12-12 | 2014-12-12 | Grouting waterproof sealing strip and water proof structure of pre-cast wall panel vertical seam and construction method of water proof structure |
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| CN104481063A true CN104481063A (en) | 2015-04-01 |
| CN104481063B CN104481063B (en) | 2017-01-11 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780939A (en) * | 2016-04-20 | 2016-07-20 | 北京市市政工程设计研究总院有限公司 | Post-mounted replaceable active-pressure sealing water stop belt and construction method |
| CN107687213A (en) * | 2017-10-16 | 2018-02-13 | 华东建筑设计研究院有限公司 | A kind of assembly concrete wall connecting node apparatus and construction method |
| CN108978731A (en) * | 2018-10-09 | 2018-12-11 | 郑州大学 | Underground engineering waterproofing of movement joints construction and its construction method |
| CN110409636A (en) * | 2019-07-25 | 2019-11-05 | 芜湖扬宇机电技术开发有限公司 | A kind of integrated steel construction mine dam of assembled |
| CN112049334A (en) * | 2020-09-24 | 2020-12-08 | 长沙集智创新工业设计有限公司 | High-seepage-resistance roof drainage structure for building |
| CN112240215A (en) * | 2020-10-23 | 2021-01-19 | 中铁工程装备集团有限公司 | Waterproof structure between water-stop strip and prefabricated component and construction method of waterproof structure |
| CN113605544A (en) * | 2021-07-06 | 2021-11-05 | 汕尾职业技术学院 | Anti-seepage treatment process for 3D printing wallboard |
| CN115162357A (en) * | 2022-07-28 | 2022-10-11 | 蒲亚威 | Continuous wall system for cover-excavation top-down construction and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105780939A (en) * | 2016-04-20 | 2016-07-20 | 北京市市政工程设计研究总院有限公司 | Post-mounted replaceable active-pressure sealing water stop belt and construction method |
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| CN112240215A (en) * | 2020-10-23 | 2021-01-19 | 中铁工程装备集团有限公司 | Waterproof structure between water-stop strip and prefabricated component and construction method of waterproof structure |
| CN113605544A (en) * | 2021-07-06 | 2021-11-05 | 汕尾职业技术学院 | Anti-seepage treatment process for 3D printing wallboard |
| CN115162357A (en) * | 2022-07-28 | 2022-10-11 | 蒲亚威 | Continuous wall system for cover-excavation top-down construction and construction method |
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| CN104481063B (en) | 2017-01-11 |
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Denomination of invention: Precast wallboard vertical joint grouting waterproof sealing strip, waterproof structure and its construction method Effective date of registration: 20220119 Granted publication date: 20170111 Pledgee: China Construction Bank Corporation Linyi Shizhong sub branch Pledgor: TIANYUAN CONSTRUCTION GROUP Co.,Ltd. Registration number: Y2022980000732 |