CN107702996A - The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint - Google Patents
The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint Download PDFInfo
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- CN107702996A CN107702996A CN201710971977.1A CN201710971977A CN107702996A CN 107702996 A CN107702996 A CN 107702996A CN 201710971977 A CN201710971977 A CN 201710971977A CN 107702996 A CN107702996 A CN 107702996A
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- waterstop
- steel plate
- steel pipe
- concrete
- construction joint
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses the watertight test method of the waterstop equidimension limit, including steel tightening latch, construction joint, triangular steel plate, steel plate, steel pipe, sealing steel disc, circular steel plate, waterstop and waterstop seam are buried in a kind of construction joint.The beneficial effects of the invention are as follows：The present invention equidimension model that bears hydraulic pressure actual by simulating live tunnel-liner, the maximum hydraulic pressure born to model plus hydraulic pressure test construction joint waterstop；A circular steel plate and four right angled triangle steel plates are taken, in circular steel plate upper shed, steel pipe and circular steel plate are welded at osculum, right angled triangle steel plate, which is welded in circular steel plate and steel pipe, increases the rigidity of structure；Certain length waterstop is taken by chance to be trapped among on the disk of instrument, bonding waterstop ensures that seam is waterproof；Bottom concrete is poured, the waterstop the latter half that will be around into circle is poured wherein, and the instrument being welded is placed after the concrete initial set of bottom, then pours top half concrete, now self-assembling formation construction joint.
Description
Technical field
The present invention relates to a kind of test method, the watertight examination of the waterstop equidimension limit is buried in specially a kind of construction joint
Proved recipe method, belong to Architectural Equipment applied technical field.
Background technology
With the continuous development of economy, mountain tunnel is built in increasing city, and mountain tunnel passes through the rich waters such as solution cavity
Area, the situation of high hydraulic pressure is most probably faced, wherein many mountain tunnels all construction joints bury waterstop waterproof in all using.Due to
The method for not testing waterstop highest waterproof strength at present, very big puzzlement, tunnel water proofing are caused to design and construction
Design tool bear the character of much blindness.This experimental method buries the maximum hydraulic pressure that waterstop can bear in testing out, to design
With certain guidance of constructing.
The watertight test method of the waterstop equidimension limit is buried in a kind of current construction joint, not by right angled triangle
Steel plate is welded in circular steel plate and steel pipe, and the rigidity of structure is low, easy leak, and can not preferable self-assembling formation construction joint.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides and waterstop equidimension pole is buried in a kind of construction joint
Watertight test method is limited, simple in construction and compact rigidity is high, water-tight, can self-assembling formation construction joint.
The present invention is achieved through the following technical solutions above-mentioned purpose, and it is resistance to that the waterstop equidimension limit is buried in a kind of construction joint
The test method of hydraulic pressure, including steel plate and circular steel plate, it is characterised in that two steel plates are connected by the steel tightening latch screw thread
Connect；The circular steel plate and steel-pipe welding, and the steel pipe welds with the steel plate；Welded between the steel pipe and the steel plate
The triangular steel plate of right angled triangle；The surface soldered sealing steel disc of the steel pipe；The bottom laying one of the circular steel plate
Layer waterstop, and the surface of the waterstop opens up waterstop seam；The side of the circular steel plate is provided with construction joint；
Comprise the following steps：
Step A, an elongated round steel pipe is taken, a circular steel plate, opens an aperture among a circular steel plate wherein,
The steel pipe and circular steel plate with holes are welded together, then triangular steel plate described in four right angles of sanction, is welded in the circle
On shape steel plate and the elongated steel pipe；
Step B, justify the thin sealing steel disc in the steel pipe upper weld, extend water along concrete and the pipe it
Between gap penetration path；
Step C, take length to be equal to the waterstop of the circular steel plate girth, condensed in the waterstop joint
The measure such as glue or hot melt is bonded to one piece, prevents water from being appeared from seam crossing；
Step D, bottom concrete is first poured, while the lower part of the waterstop is embedded in concrete, is put into instrument, shape
Into closed structure, for the construction joint of simulation concrete, after the concrete initial set of bottom, then top concrete is poured；
Step E, after having poured, put standard curing room into and conserved；The concrete conserved is placed on the steel plate,
Also one layer of lid tells steel plate on concrete model simultaneously, and both are linked together with steel tightening latch, tightens screw；
Step F, by compression pump to the steel pipe apply water pressure, pressurize step by step, when observe pressure gauge numerical value reduction
When, maximum hydraulic pressure that as waterstop can be born.
Preferably, the steel plate is welded on the elongated steel pipe, extends percolation path, prevent water from being oozed along the steel pipe
Go out；The thickness of steel disc is more than 0.2mm, and diameter is more than 100mm, and the distance apart from the waterstop top is more than 50mm.
Preferably, in order to increase integrally-built stability, the steel pipe thickness is more than 2mm, and the pipe diameter is more than
10mm。
Preferably, in order to ensure that the steel pipe and concrete weld more firm, the steel pipe is elongated steel pipe, and it is grown
Degree is more than the half width of waterstop one and lining cutting a quarter thickness sum.
Preferably, in order to avoid the steel pipe is broken, the radius of the circular steel plate is more than 100mm, and thickness is more than 2mm,
The circular steel plate digs the circular hole that a diameter is less than or equal to the diameter of steel tube.
Preferably, the triangular steel plate is welded between the circular steel plate and steel pipe, its right angle edge lengths is more than 30mm.
Preferably, the waterstop should be melted after surrounding circle in joint with heat or other modes are sticked together, and be protected
It is waterproof to demonstrate,prove the waterstop seam crossing.
Preferably, when the waterstop surrounds the circle of instrument one being welded, the waterstop and instrument should be closely adjacent to, and be prevented
Concrete is flowed under the circular steel plate when only pouring.
Preferably, in order that the hardness of concrete reaches optimal effect, top can just be poured after the concrete initial set of bottom
Concrete, distance of the waterstop away from the personal face of outside concrete are a half thickness of lining cutting.
Preferably, in order to ensure the stabilization of pressure, the shown series that pressurizes step by step is 0.1Mpa~1Mpa one-levels, and pressurize number
Value is unsuitable excessive, and keeps voltage stabilizing, and every grade of voltage stabling control is more than 5 minutes.
The beneficial effects of the invention are as follows：The present invention equidimension mould that bears hydraulic pressure actual by simulating live tunnel-liner
Type, the maximum hydraulic pressure born to model plus hydraulic pressure test construction joint waterstop.Take a circular steel plate and four right angled triangles
Steel plate, in circular steel plate upper shed, steel pipe and circular steel plate are welded at osculum, right angled triangle steel plate is welded on circle
Increase the rigidity of structure on steel plate and steel pipe；Certain length waterstop is taken by chance to be trapped among on the disk of instrument, bonding waterstop ensures
Seam is waterproof.Bottom concrete is poured, the waterstop the latter half that will be around into circle is poured wherein, bottom concrete initial set
The instrument being welded is placed afterwards, then pours top half concrete, now self-assembling formation construction joint.
Brief description of the drawings
Fig. 1 is overall structure diagrammatic cross-section of the present invention；
Fig. 2 is waterstop layout drawing of the present invention.
In figure：1st, steel tightening latch, 2, construction joint, 3, triangular steel plate, 4, steel plate, 5, steel pipe, 6, sealing steel disc, 7, circular steel
Plate, 8, waterstop, 9, waterstop seam.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to shown in Fig. 1-2, the watertight test method of the waterstop equidimension limit, including steel are buried in a kind of construction joint
Plate 4 and circular steel plate 7, two steel plates 4 are threadedly coupled by the steel tightening latch 1；The circular steel plate 7 is welded with steel pipe 5,
And the steel pipe 5 welds with the steel plate 4；The triangular steel of right angled triangle is welded between the steel pipe 5 and the steel plate 5
Plate 3；The surface soldered sealing steel disc 6 of the steel pipe 5；One layer of waterstop 8 is laid in the bottom of the circular steel plate 7, and it is described only
The surface of water band 8 opens up waterstop seam 9；The side of the circular steel plate 7 is provided with construction joint 2.Take an elongated circle steel
Pipe 5, a circular steel plate 7, an aperture is opened among a circular steel plate 7 wherein, by the steel pipe 5 and circular steel plate with holes
7 weld together, and then triangular steel plate 3 described in four right angles of sanction, is welded in the circular steel plate 7 and the elongated steel pipe 5
On；Justify the thin sealing steel disc 6 in the steel pipe upper weld, extend water along the gap between concrete and the pipe 5
Permeation pathway；Length is taken to be equal to the waterstop 8 of the girth of circular steel plate 7, in the joint epoxy resin of waterstop 8
Or the measure such as hot melt is bonded to one piece, prevents water from being appeared from seam crossing；First pour bottom concrete, while by the waterstop 8
Lower part be embedded in concrete, be put into instrument, form closed structure, be the construction joint 2 of simulation concrete, treat that bottom is mixed
After solidifying soil initial set, then pour top concrete；After having poured, put standard curing room into and conserved；The concrete that will have been conserved
It is placed on the steel plate 4, while also one layer of lid tells steel plate 4 on concrete model, is contacted both one with steel tightening latch 1
Rise, tighten screw；By compression pump to the steel pipe 4 apply water pressure, pressurize step by step, when observe pressure gauge numerical value reduction
When, maximum hydraulic pressure that as waterstop can be born.
As a kind of technical optimization scheme of the present invention, the steel plate 4 is welded on the elongated steel pipe 5, extension is oozed
Flow path, prevent water from being oozed out along the steel pipe 5；The thickness of steel disc should be greater than 0.2mm, and diameter is more than 100mm, apart from the sealing
Distance with 8 tops is more than 50mm；
As a kind of technical optimization scheme of the present invention, the thickness of steel pipe 5 should be greater than 2mm, and the internal diameter of steel pipe 5 is more than
10mm, select internal diameter small as far as possible, the steel pipe 5 of wall thickness.
As a kind of technical optimization scheme of the present invention, the steel pipe 5 is elongated steel pipe, and its length is more than waterstop half
Width and lining cutting a quarter thickness sum.
As a kind of technical optimization scheme of the present invention, the radius of the circular steel plate 4 is more than 100mm, and thickness is more than
2mm, the circular steel plate 4 draw out the circular hole that a diameter is less than or equal to the diameter of steel pipe 5.
As a kind of technical optimization scheme of the present invention, the triangular steel plate 3 is welded between the circular steel plate 7 and steel pipe 5,
Its right angle edge lengths is more than 30mm.
As the present invention a kind of technical optimization scheme, the waterstop 8 should melt after surrounding circle in joint heat or
Other modes are sticked together, and are ensured waterproof at the waterstop seam 9.
It is described to stop when the waterstop 8 surrounds the circle of instrument one being welded as a kind of technical optimization scheme of the present invention
Water band 8 and instrument should be closely adjacent to, and concrete is flowed under the circular steel plate 7 when preventing from pouring.
As a kind of technical optimization scheme of the present invention, top concrete can be just poured after the concrete initial set of bottom, it is described
Distance of the waterstop 7 away from the personal face of outside concrete is a half thickness of lining cutting.
As a kind of technical optimization scheme of the present invention, the shown series that pressurizes step by step is 0.1Mpa~1Mpa one-levels, is added
Press numerical value unsuitable excessive, and keep voltage stabilizing, every grade of voltage stabling control is more than 5 minutes.
Step A：Steel pipe 5 chooses Q345 steel from external diameter wall thickness 5mm, length 100mm, internal diameter 10mm steel pipe 5；
Step B：Sealing steel disc selects thickness 0.2mm, radius 100mm circular steel plate 7, is welded after borehole with steel pipe 5, three
Size 40mm × the 40mm of gusset 3, its thickness are 2mm；
Step C：Circular steel plate 7 with holes, triangular steel plate 3 and steel pipe 5 are welded together, form one as inner template
Instrument, as shown in Figure 2；
Step D：Welding steel disc 4 is added on the top of steel pipe 5, prevents water from being oozed out along steel pipe；
Step E：Take the waterstop 8 of certain length, surround circle and surround round plate 4, the center line of the width of waterstop 8 with
The coincidence of circular steel plate 7, sticked together in joint with binding agents such as epoxy resins, make its waterproof；
Step F：Casting concrete from the bottom up, the bottom of waterstop 8 are poured onto in concrete, instrument are then placed in, after initial set
Top concrete is poured, forms the construction joint of concrete, distance of the waterstop 8 apart from external freedom face is 400mm, is lining cutting
One half width, concrete test block are diameter 1000mm height 1100m cylinder,
Step G：Waterstop 8 is cast in concrete, after allowing concrete and waterstop 8 to form a closed cavity,
Inside water filling, the water-stagnating effect of waterstop 8 is checked, increase hydraulic pressure, so as to draw the maximum waterproof hydraulic pressure value of waterstop 8.
Test method：After waterstop 8 and frock assemble, vent valve is opened, inside water filling, treats that air outlet valve there are flowing out
When close vent valve.Continue to pressurize, when hydraulic pressure adds to 0.25MPa, stop pressurization, and pressurize 10 minutes, if midway occur it is bright
Aobvious decompression situation, answers timely ftercompction.Using 0.5MPa as one-level, boosting upwards, every liter of one-level pressurize 10 minutes, midway decompression exceedes
During 0.5MPa, timely ftercompction is answered.When reaching 4.5mpa, voltage stabilizing 48h.Continue to pressurize.When leak or sealing occurs in sealing desmorrhexis
When leak occurs in the gap of band and concrete, that is, think to reach maximum hydraulic pressure value.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (10)
1. the watertight test method of the waterstop equidimension limit is buried in a kind of construction joint, including steel plate (4) and circular steel plate
(7), it is characterised in that two steel plates (4) are threadedly coupled by the steel tightening latch (1)；The circular steel plate (7) and steel pipe
(5) weld, and the steel pipe (5) welds with the steel plate (4)；Right angle three is welded between the steel pipe (5) and the steel plate (5)
The angular triangular steel plate (3)；The surface soldered sealing steel disc (6) of the steel pipe (5)；The bottom of the circular steel plate (7)
One layer of waterstop (8) is laid, and the surface of the waterstop (8) opens up waterstop seam (9)；The one of the circular steel plate (7)
Side is provided with construction joint (2)；
Comprise the following steps：
Step A, an elongated round steel pipe (5) is taken, a circular steel plate (7), opens one among a circular steel plate (7) wherein
Aperture, the steel pipe (5) and circular steel plate with holes (7) are welded together, then cut out triangular steel plate (3) described in four right angles,
It is welded in the circular steel plate (7) and the elongated steel pipe (5)；
Step B, justify the thin sealing steel disc (6) in the steel pipe (5) upper weld, extend water along concrete and the pipe
(5) the gap penetration path between；
Step C, length is taken to be equal to the waterstop (8) of the circular steel plate (7) girth, in the waterstop (8) joint
One piece is bonded to measures such as epoxy resin or hot melts, prevents water from being appeared from seam crossing；
Step D, bottom concrete is first poured, while the lower part of the waterstop (8) is embedded in concrete, is put into instrument, shape
Into closed structure, for the construction joint (2) of simulation concrete, after the concrete initial set of bottom, then top concrete is poured；
Step E, after having poured, put standard curing room into and conserved；The concrete conserved is placed on the steel plate (4),
Also one layer of lid tells steel plate (4) on concrete model simultaneously, and both are linked together with steel tightening latch (1), tightens screw；
Step F, by compression pump to the steel pipe (4) apply water pressure, pressurize step by step, when observe pressure gauge numerical value reduction
When, maximum hydraulic pressure that as waterstop can be born.
2. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：The steel plate (4) is welded on the elongated steel pipe (5), extends percolation path, prevents water along the steel pipe (5)
Ooze out；The thickness of steel disc is more than 0.2mm, and diameter is more than 100mm, and the distance apart from the waterstop (8) top is more than 50mm.
3. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：Steel pipe (5) thickness is more than 2mm, and steel pipe (5) internal diameter is more than 10mm.
4. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：The steel pipe (5) is elongated steel pipe, its length be more than the half width of waterstop (8) one and lining cutting a quarter thickness it
With.
5. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：The radius of the circular steel plate (4) is more than 100mm, and thickness is more than 2mm, and it is small that the circular steel plate (4) digs a diameter
In or equal to steel pipe (5) diameter circular hole.
6. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：The triangular steel plate (3) is welded between the circular steel plate (7) and steel pipe (5), its right angle edge lengths is more than 30mm.
7. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：The waterstop (8) should be melted after surrounding circle in joint with heat or other modes are sticked together, described in guarantee
Waterstop seam (9) place is waterproof.
8. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：When the waterstop (8) surrounds the circle of instrument one being welded, the waterstop (8) and instrument should be closely adjacent to, and be prevented
Concrete is flowed under the circular steel plate (7) when pouring.
9. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：Can just pour top concrete after the concrete initial set of bottom, the waterstop (7) away from outside concrete use by oneself face away from
From the half thickness for lining cutting.
10. burying the watertight test method of the waterstop equidimension limit in a kind of construction joint according to claim 1, it is special
Sign is：Series shown in pressurizeing step by step is 0.1Mpa~1Mpa one-levels, and pressurization numerical value is unsuitable excessive, and keeps voltage stabilizing, every grade
Voltage stabling control is more than 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971977.1A CN107702996A (en) | 2017-10-18 | 2017-10-18 | The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710971977.1A CN107702996A (en) | 2017-10-18 | 2017-10-18 | The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint |
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| CN107702996A true CN107702996A (en) | 2018-02-16 |
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|---|---|---|---|
| CN201710971977.1A Pending CN107702996A (en) | 2017-10-18 | 2017-10-18 | The watertight test method of the waterstop equidimension limit is buried in a kind of construction joint |
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| CN (1) | CN107702996A (en) |
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| CN109900558A (en) * | 2019-04-28 | 2019-06-18 | 中铁二院重庆勘察设计研究院有限责任公司 | Test experimental provision and experimental method that construction joint buried water strip bears hydraulic pressure |
| CN109900559A (en) * | 2019-04-28 | 2019-06-18 | 中铁二院重庆勘察设计研究院有限责任公司 | Test experimental provision and experimental method that deformation joint buried water strip bears hydraulic pressure |
| CN114960749A (en) * | 2022-06-21 | 2022-08-30 | 华设设计集团股份有限公司 | Underwater tunnel deformation joint built-in detachable water stop and real-time monitoring method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109900558A (en) * | 2019-04-28 | 2019-06-18 | 中铁二院重庆勘察设计研究院有限责任公司 | Test experimental provision and experimental method that construction joint buried water strip bears hydraulic pressure |
| CN109900559A (en) * | 2019-04-28 | 2019-06-18 | 中铁二院重庆勘察设计研究院有限责任公司 | Test experimental provision and experimental method that deformation joint buried water strip bears hydraulic pressure |
| CN109900558B (en) * | 2019-04-28 | 2024-05-03 | 中铁二院重庆勘察设计研究院有限责任公司 | Experimental device and experimental method for testing bearing water pressure of buried water stop in construction joint |
| CN114960749A (en) * | 2022-06-21 | 2022-08-30 | 华设设计集团股份有限公司 | Underwater tunnel deformation joint built-in detachable water stop and real-time monitoring method |
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Application publication date: 20180216 |