CN106013256B - The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall - Google Patents
The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall Download PDFInfo
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- CN106013256B CN106013256B CN201610457824.0A CN201610457824A CN106013256B CN 106013256 B CN106013256 B CN 106013256B CN 201610457824 A CN201610457824 A CN 201610457824A CN 106013256 B CN106013256 B CN 106013256B
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- Prior art keywords
- side wall
- waist rail
- tenon
- concrete waist
- concrete
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
Abstract
The invention discloses a kind of tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall, including the concrete waist rail being fixed on foundation pit side-wall, the concrete waist rail, which is embedded in, to be poured in side wall, the concrete waist rail is located at the waist for pouring side wall, the length direction of the concrete waist rail is consistent with the lateral length direction for pouring side wall, and the length of concrete waist rail is identical with the lateral length for pouring side wall；The both sides up and down of the concrete waist rail are respectively equipped with a tenon through the length of concrete waist rail, are provided with waterstop in the tenon, the half of the waterstop is fixed in tenon, and second half, which is fixed on, pours in side wall.By the structure of tenon above and below concrete waist rail, solve the installation question of waterstop at new and old structure Construction Joint, effectively obstructed the permeation pathway of seam crossing underground water；The setting of mortise structure extends the groundwater seepage path at new-old concrete interface；By setting water expandable waterstop in tenon corner, strengthened waterproof measure.
Description
Technical field
The present invention relates to underground engineering technical field, prevents in particular to a kind of tenon formula joint of concrete waist rail embedded structure side wall
Water-bound.
Technical field
, it is necessary to first remove concrete waist rail and coagulation when underground engineering agent structure side wall is poured to concrete support system
Soil support, to ensure base pit engineering safety, also need to add support replacement if necessary.Concrete waist rail is embedded in agent structure side wall, concrete
Although the construction that the support system later stage removes can be with investment reduction, saving duration；But after being embedded in because concrete waist rail is horizontal
Pour in side wall, upper and lower both sides and after pour between side wall and seam be present, and all there is sealing in the waterproof construction of seam crossing for a long time
The defects of band can not be installed, water-protected enclosure is not strong on the outside of side wall, so as to cause seam crossing leak, steel bar corrosion phenomenon serious.
The content of the invention
Present invention aim to solve the deficiency of above-mentioned background technology, there is provided a kind of concrete waist rail embedded structure side wall
Tenon formula joint waterproofing structure, the structure utilize the structure of tenon formula joint, waterstop are arranged at the node of concrete waist rail and side wall,
Ensure the waterproof effect at node.
In order to achieve this, the tenon formula joint waterproofing structure of the concrete waist rail embedded structure side wall designed by the present invention, including
The concrete waist rail being fixed on foundation pit side-wall, the concrete waist rail, which is embedded in, to be poured in side wall, and the concrete waist rail, which is located at, pours side wall
Waist, the length direction of the concrete waist rail is consistent with the lateral length direction for pouring side wall, and the length of concrete waist rail is with pouring side
The lateral length of wall is identical；The both sides up and down of the concrete waist rail are respectively equipped with a tenon through the length of concrete waist rail, described
Waterstop is provided with tenon, the half of the waterstop is fixed in tenon, and second half, which is fixed on, pours in side wall.
Further, the tenon is symmetricly set in the both sides up and down of concrete waist rail, and the waterstop is vertically arranged at tenon
Center.
Specifically, the middle part of the foundation pit side-wall is provided with the first water-tight device corresponding with concrete waist rail；The foundation pit side-wall
Both sides up and down be provided with the second water-tight device corresponding with pouring side wall.
Further, first water-tight device include be arranged on foundation pit side-wall, the cement through foundation ditch longitudinal direction height
Mortar levelling layer, the cement mortar screeding layer middle part are coated with waterproof layer, the side of the waterproof layer and concrete waist rail
Wall is bonded.
Specifically, the cement-base infiltration crystallization that the waterproof layer includes being bonded with the surface of cement mortar screeding layer is prevented
Water paint layer, and the Polymer cement materials layer being bonded with cement-based capillary crystalline waterproof coating layer surface；The polymerization
The both ends of thing cement waterproofing mortar layer are provided with first with the junction of cement-based capillary crystalline waterproof coating layer and waterproof roll layer
Sealing rod.
Specifically, second water-tight device include be connected respectively with the upper and lower ends of Polymer cement materials layer,
The waterproof roll layer being bonded with the both side surface up and down of cement mortar screeding layer, the waterproof roll layer and the side wall for pouring side wall
Fitting.
Further, the both side surface up and down of the Polymer cement materials layer and the company of the end of waterproof roll layer
Meet place and be provided with fluid sealant.
Further, first water-tight device also includes surface and the concrete waist for being arranged at Polymer cement materials layer
Second sealing rod of the lateral connection muscle junction of beam.
Further, the corner of the tenon is provided with the 3rd sealing rod.
Further, the tenon of both sides is respectively equipped with one first with the corner that concrete waist rail is connected above and below the concrete waist rail
Grouting pipe and the second Grouting Pipe.
Further, the more tenon bearing rods extended in tenon, institute are vertically provided with the concrete waist rail
State in the interval that waterstop is arranged between tenon bearing rod；The width of the concrete waist rail is identical with the thickness for pouring side wall.
The beneficial effects of the invention are as follows：1st, by the structure of tenon above and below concrete waist rail, solves new and old structure Construction Joint
Locate the installation question of waterstop, effectively obstruct the permeation pathway of seam crossing underground water；2nd, the setting of mortise structure extends newly
Groundwater seepage path at old concrete interface；3rd, by setting water expandable waterstop in tenon corner, waterproof is made
Measure is enhanced；4th, " 8mm solid cement based penetrant crystalline water-repellent paints+12mm is used at concrete waist rail and building enclosure contact surface
Thick polymer cement waterproofing mortar " waterproof, concrete waist rail are connected reinforcing bar with building enclosure and blocked using water expandable waterstop sealing,
The overlap joint of pre-installed and inverted adhered type waterproof roll and waterproof mortar is sealed using water expandable waterstop and fluid sealant, it is ensured that outside concrete waist rail
The closure of side waterproof layer.The present invention strengthens and perfect waterproof ability of the structure side wall at concrete waist rail node, elimination finish
Structure later stage percolating water causes the hidden danger of steel bar corrosion.
Brief description of the drawings
Fig. 1 is the structural representation of implementation steps 1 in the present invention；
Fig. 2 is the structural representation of implementation steps 2 in the present invention；
Fig. 3 is the structural representation of implementation steps 3 in the present invention；
Fig. 4 is the structural representation of implementation steps 4 in the present invention；
Fig. 5 is the structural representation of implementation steps 5 in the present invention；
Wherein, 1-tenon, 2-concrete waist rail, 3-concrete support, 4-foundation ditch, pour side wall behind 5-bottom, are poured behind 6-top
Side wall, 7-cement mortar screeding layer, 8-waterstop, the 9-the first sealing rod, the 10-the second sealing rod, 11-lateral connection muscle,
12-pour side wall, the 13-the three sealing rod, 14-tenon bearing rod, 15-fluid sealant, the 16-the first Grouting Pipe, 17-the second
Grouting Pipe, 18-concreting pipe, 19-cement nail, 20-waterproof roll layer, 21-cement-based capillary crystalline waterproof coating
Layer, 22-Polymer cement materials layer, 23-U-shaped template, 24-transverse steel, 25-middle sand, 26-to pour side wall pre-
Stay reinforcing bar.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as shown in Figure 5, including be fixed in the side wall of foundation ditch 4
Concrete waist rail 2, the concrete waist rail 2, which is embedded in, to be poured in side wall 12, and the concrete waist rail, which is located at, pours the waist of side wall 12, the concrete
The length direction of waist rail 2 is consistent with the lateral length direction for pouring side wall 12, and the length of concrete waist rail 2 and the horizontal stroke for pouring side wall 12
It is identical to length；The width of the concrete waist rail 2 is identical with the thickness for pouring side wall 12；The difference of both sides up and down of the concrete waist rail 2
Tenon 1 provided with one through the length of concrete waist rail 2, the tenon 1 is interior to be provided with waterstop 8, and the one of the waterstop 8 is semifixed
Pour in side wall 12 in tenon 1, second half is fixed on.Concrete waist rail 2 is a horizontal cuboid-type concrete waist rail, and upper and lower both sides lead to
Cross the insertion of tenon 1 to pour in side wall 12, by the structure of tenon 1, provided the foundation for the installation fixation of waterstop 8, therefore can
Concrete waist rail 2 is effectively ensured and pours the waterproof seal between side wall 12；The setting of mortise structure extends new-old concrete friendship
Groundwater seepage path at junction.
In above-mentioned technical proposal, the tenon 1 is symmetricly set in the both sides up and down of concrete waist rail 2, and the waterstop 8 is set vertically
It is placed in the center of tenon 1.
In above-mentioned technical proposal, the water-tight device includes the cement mortar screeding layer 7 being arranged in the side wall of foundation ditch 4, institute
State the middle part of cement mortar screeding layer 7 and be coated with waterproof layer, the waterproof layer is bonded with the side wall of concrete waist rail 2；It is described
The upper and lower ends of waterproof layer are connected to the waterproof roll layer being bonded with the both side surface up and down of cement mortar screeding layer 7
20, the waterproof roll layer 20 is bonded with pouring the side wall of side wall 12.
In above-mentioned technical proposal, the waterproof layer includes the cement base being bonded with the surface of cement mortar screeding layer 7
Capillary crystalline waterproof coating material layer 21, and the polymer cement waterproof sand being bonded with the surface of cement-based capillary crystalline waterproof coating layer 21
Pulp layer 22；The both ends of the Polymer cement materials layer 22 and cement-based capillary crystalline waterproof coating layer 21 and waterproof roll
The junction of layer 20 is provided with the first sealing rod 9.
In above-mentioned technical proposal, both side surface up and down and the waterproof roll layer 20 of the Polymer cement materials layer 22
The junction of end be provided with fluid sealant 15.
In above-mentioned technical proposal, the water-tight device also include being arranged at the surface of Polymer cement materials layer 22 with
Second sealing rod 10 of the junction of lateral connection muscle 11 of concrete waist rail 2.Concrete waist rail 2 and the lateral connection muscle 11 of building enclosure use
Water expandable waterstop sealing blocks, the overlap joint of pre-installed and inverted adhered type waterproof roll and waterproof mortar using water expandable waterstop and
Fluid sealant 15 seals, it is ensured that the closure of the outside waterproof layer of concrete waist rail 2.
In above-mentioned technical proposal, the corner of the tenon 1 is provided with the 3rd sealing rod 13.
In above-mentioned technical proposal, the corner that the tenon 1 of concrete waist rail both sides about 2 is connected with concrete waist rail 2 sets respectively
There are first grouting pipe 16 and the second Grouting Pipe 17.By setting water expandable waterstop and pre- in the corner of tenon 1
Grouting Pipe is buried, is enhanced the stability of water resistance and pouring construction.
The more tenons extended in tenon are vertically provided with above-mentioned technical proposal, in the concrete waist rail 2 to erect
Muscle 14, the waterstop 8 are arranged in the interval between tenon bearing rod 14.The structure 14 of tenon bearing rod further increases
The structural strength of tenon 1, so as to ensure that the waterproof effect at tenon 1.
The present invention work progress be：
Step 1：As shown in figure 1, after excavation of foundation pit to 2 times excavation absolute altitudes of concrete waist rail, in the inner side of foundation ditch 4 construction cement bonded sand
Screed-coat 7 is starched, cement-based capillary crystalline waterproof coating layer 21 and Polymer cement materials are smeared on cement mortar screeding layer 7
Layer 22, the lateral connection muscle 11 is with setting the second sealing rod 10 at the contact surface of Polymer cement materials layer 22；By waterproof
Coiled material layer 20 is pasted with Polymer cement materials layer 22, and lap segment both ends are sealed with the first sealing rod 9 respectively, and waterproof is rolled up
Material layer 20 is fixed and folded；The end of waterproof roll layer 20 of the concrete waist rail about 2 and Polymer cement materials layer 22
Sealed with fluid sealant 15.
Step 2：As shown in Fig. 2 laying U-shaped template 23, sand 25 in being backfilled in the pit of the U-shaped left and right sides of template 23, prevent
Water coiled material layer 20 is embedded to pit.Colligation tenon bearing rod 14, transverse steel 24 and side wall reserved steel bar 26 is poured, it is pre-buried to pour pipe
18, waterstop 8 is fixed between tenon bearing rod 14, the lower folded of waterproof roll layer 20, and is protected using plastic plate or foam,
Avoid pasting with concrete, pour concrete waist rail 2 and concrete support 3, the construction of concrete waist rail is completed.
Step 3：As shown in figure 3, being poured behind the bottom of concrete waist rail 2 before side wall 5 pours, the lower surface of concrete waist rail 2 is cleaned first
Clean and brushing interfacial agents；Deploy waterproof roll layer 20, by waterproof roll layer 20 and cement-based capillary crystalline waterproof coating layer 21
Overlapped with Polymer cement materials layer 22, set the 3rd sealing rod 13 pre-buried in the corner of the tenon 1 of the bottom of concrete waist rail 2
Second Grouting Pipe 17；Casting concrete.
Step 4：As shown in figure 4, being poured behind the top of concrete waist rail 2 before side wall 6 pours, the upper surface of concrete waist rail 2 is cleaned first
Clean and brushing interfacial agents；Deploy waterproof roll layer 20, and with cement-based capillary crystalline waterproof coating layer 21 and polymer cement
Waterproof mortar course 22 is overlapped, and the 3rd sealing rod 13 and pre-buried first Grouting Pipe are set in the corner of the tenon 1 on the top of concrete waist rail 2
16；Casting concrete.
Step 5：As shown in figure 5, according to scene and safety requirements, remove concrete support 3 and be not embedded into the part of structure side wall
Concrete waist rail 2.
The above described is only a preferred embodiment of the present invention, not the structure of the present invention is done any formal
Limitation.Any simple modification, equivalent change and modification that every technical spirit according to the present invention is made to above example,
In the range of still falling within technical scheme.
Claims (9)
1. a kind of tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall, including it is fixed on foundation ditch（4）Concrete waist in side wall
Beam（2）, the concrete waist rail（2）It is embedded in and pours side wall（12）Interior, the concrete waist rail, which is located at, pours side wall（12）Waist, it is described
Concrete waist rail（2）Length direction and pour side wall（12）Lateral length direction it is consistent, and concrete waist rail（2）Length and pour side
Wall（12）Lateral length it is identical；It is characterized in that：The concrete waist rail（2）Both sides up and down be respectively equipped with one and run through concrete waist rail
（2）Length tenon（1）, the tenon（1）It is interior to be provided with waterstop（8）, the waterstop（8）Half be fixed on tenon
（1）Interior, second half, which is fixed on, pours side wall（12）In;
The foundation ditch（4）The middle part of side wall is provided with and concrete waist rail（2）Corresponding first water-tight device；The foundation ditch（4）Side wall
Upper and lower both sides are provided with pouring side wall（12）Corresponding second water-tight device.
2. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 1, it is characterised in that：The tenon
Head（1）It is symmetricly set in concrete waist rail（2）Both sides up and down, the waterstop（8）It is vertically arranged at tenon（1）Center.
3. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 1, it is characterised in that：Described
One water-tight device includes being arranged at foundation ditch（4）In side wall, through foundation ditch（4）The cement mortar screeding layer of longitudinal height（7）, it is described
Cement mortar screeding layer（7）Middle part is coated with waterproof layer, the waterproof layer and concrete waist rail（2）Side wall fitting.
4. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 3, it is characterised in that：It is described anti-
Water material layer includes and cement mortar screeding layer（7）Surface fitting cement-based capillary crystalline waterproof coating layer（21）, and with
Cement-based capillary crystalline waterproof coating layer（21）The Polymer cement materials layer of surface fitting（22）；The polymer cement
Waterproof mortar course（22）Both ends and cement-based capillary crystalline waterproof coating layer（21）With waterproof roll layer（20）Junction set
There is the first sealing rod（9）.
5. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 4, it is characterised in that：Described
Two water-tight devices include respectively with Polymer cement materials layer（22）Upper and lower ends connection, with cement mortar screeding layer
（7）Both side surface up and down fitting waterproof roll layer（20）, the waterproof roll layer（20）With pouring side wall（12）Side wall
Fitting.
6. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 5, it is characterised in that：It is described poly-
Compound cement waterproofing mortar layer（22）Both side surface up and down and waterproof roll layer（20）The junction of end be provided with fluid sealant
（15）.
7. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 4, it is characterised in that：Described
One water-tight device also includes being arranged at Polymer cement materials layer（22）Surface and concrete waist rail（2）Lateral connection muscle
（11）Second sealing rod of junction（10）.
8. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 1, it is characterised in that：The tenon
Head（1）Corner be provided with the 3rd sealing rod（13）；The concrete waist rail（2）The tenon of upper and lower both sides（1）With concrete waist rail（2）Connection
Corner be respectively equipped with first grouting pipe（16）With the second Grouting Pipe（17）.
9. the tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall as claimed in claim 1, it is characterised in that：The concrete
Waist rail（2）Inside vertically it is provided with the more tenon bearing rods extended in tenon（14）, the waterstop（8）It is arranged at tenon
Head bearing rod（14）Between interval in；The concrete waist rail（2）Width and pour side wall（12）Thickness it is identical.
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| CN201610457824.0A CN106013256B (en) | 2016-06-22 | 2016-06-22 | The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall |
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| CN201610457824.0A CN106013256B (en) | 2016-06-22 | 2016-06-22 | The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall |
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| CN106013256B true CN106013256B (en) | 2018-03-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480993B (en) * | 2016-12-08 | 2019-03-19 | 东南大学 | Administration structure and construction method in a kind of construction exterior wall leak repairing reinforcement |
| CN115059091A (en) * | 2022-07-06 | 2022-09-16 | 中国建筑第六工程局有限公司 | Waist beam and side wall integrated structure for foundation pit construction and construction method thereof |
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| US4735395A (en) * | 1986-02-25 | 1988-04-05 | Quaker Plastic Corporation | Interfacial separator for concrete structures |
| CN102691301A (en) * | 2012-06-21 | 2012-09-26 | 中国建筑第八工程局有限公司 | Synchronous construction method for envelope enclosure supporting breast beam and main structure wall |
| CN103981898A (en) * | 2014-05-12 | 2014-08-13 | 铁道第三勘察设计院集团有限公司 | Integral open-excavation node top-down underground engineering construction method |
| CN205804419U (en) * | 2016-06-22 | 2016-12-14 | 中铁第四勘察设计院集团有限公司 | The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall |
-
2016
- 2016-06-22 CN CN201610457824.0A patent/CN106013256B/en active Active
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|---|---|---|---|---|
| US4735395A (en) * | 1986-02-25 | 1988-04-05 | Quaker Plastic Corporation | Interfacial separator for concrete structures |
| CN102691301A (en) * | 2012-06-21 | 2012-09-26 | 中国建筑第八工程局有限公司 | Synchronous construction method for envelope enclosure supporting breast beam and main structure wall |
| CN103981898A (en) * | 2014-05-12 | 2014-08-13 | 铁道第三勘察设计院集团有限公司 | Integral open-excavation node top-down underground engineering construction method |
| CN205804419U (en) * | 2016-06-22 | 2016-12-14 | 中铁第四勘察设计院集团有限公司 | The tenon formula joint waterproofing structure of concrete waist rail embedded structure side wall |
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