CN209878494U - Experimental device for testing water pressure borne by buried water stop in deformation joint - Google Patents
Experimental device for testing water pressure borne by buried water stop in deformation joint Download PDFInfo
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- CN209878494U CN209878494U CN201920600914.XU CN201920600914U CN209878494U CN 209878494 U CN209878494 U CN 209878494U CN 201920600914 U CN201920600914 U CN 201920600914U CN 209878494 U CN209878494 U CN 209878494U
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- 238000004078 waterproofing Methods 0.000 description 1
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Abstract
The utility model provides an experimental apparatus for bury waterstop and bear water pressure in test movement joint belongs to and measures test technical field. The method solves the problem that the joint of the water stop belt is firstly damaged when the water stop belt is pressurized in the conventional experimental method for testing the water pressure of the buried water stop belt in the deformation joint. It includes the lining cutting and the seal ring who has the seam of being enclosed by the rectangle waterstop, and in the lining cutting was located to the seal ring, the axial length of seal ring was less than the height of lining cutting, and the 1/2 department of lining cutting height is equipped with the movement joint of radially outwards extending by the seal ring outside, and the seam of seal ring is located the one side of keeping away from the movement joint, and the inside of seal ring is equipped with and is used for carrying out the pressurization subassembly that pressurizes to one side that the seam was kept away from to the seal ring, and the pressurization subassembly sets up with the movement joint relatively. The utility model discloses can prevent effectively that waterstop weak point from taking place earlier and destroy, have advantages such as structural design is reasonable, the experimental effect is good, the range of application is wide.
Description
Technical Field
The utility model belongs to the technical field of measure and test, a bury the waterstop and bear hydraulic experimental apparatus in test movement joint is related to.
Background
With the continuous development of economy, mountain tunnels are built in more and more cities, and the mountain tunnels are likely to face high water pressure when crossing water-rich areas such as karst caves and the like, wherein deformation joints of the mountain tunnels are all waterproof by using buried water stops. At present, no method for testing the highest waterproof strength of the water stop belt exists, so that great trouble is caused to design and construction, and the design of tunnel waterproofing has great blindness.
Therefore, the Chinese patent discloses a test method for the water pressure resistance of the size limit of a buried water stop belt in a deformation joint [ the application publication number is CN107576574A ], which comprises a steel bolt rod, a water stop belt, foam, a steel plate, a steel pipe, a water stop steel sheet, a steel cushion block, an upper steel plate, a construction joint, a lower steel plate, a circular steel plate and a water stop belt joint, wherein the upper steel plate and the lower steel plate are welded together through four steel cushion blocks, a small opening is formed in an upper semicircle, and a thin steel pipe and the upper round steel plate are welded together at the small opening; a round water stop belt is sleeved around the water stop belt and is bonded together at the interface to ensure that the water stop belt is waterproof; pouring concrete, positioning the water stop belt, pouring the concrete to form a closed hollow structure, and forming a deformation joint by using foam as a filling material during pouring; and (4) pressurizing step by using a pressurizing pump, and obtaining the maximum water pressure when the water stopping belt has water seepage or concrete cracking or the pressure gauge is reduced.
Although the test method is suitable for popularization and application, the following problems still exist: because the joints of the water stop belts are bonded together by using the cold glue or hot melting measures, the bonding part of the water stop belts is a weak point and is arranged adjacent to the deformation joint, the joints of the water stop belts are firstly damaged during the pressurization test, and the test effect cannot be achieved.
Disclosure of Invention
The utility model aims at having above-mentioned problem to current technique, provided a bury the waterstop and bear hydraulic experimental apparatus in the test deformation joint that guarantees the waterstop weak point and can not receive the pressure of water earlier.
The purpose of the utility model can be realized by the following technical proposal:
bury waterstop among test movement joint and bear hydraulic experimental apparatus, including the lining cutting and the seal ring who has the seam of being enclosed by rectangle waterstop, seal ring locate in the lining cutting between two parties, the axial length of seal ring is less than the height of lining cutting, its characterized in that, the 1/2 department of lining cutting height is equipped with the movement joint of radially outwards extending by the seal ring outside, the seam of seal ring is located the one side of keeping away from the movement joint, the inside of seal ring is equipped with and is used for carrying out the pressurization subassembly to one side of keeping away from the seam to the seal ring, pressurization subassembly and movement joint set up relatively. The water stop ring and the pressurizing assembly are buried in the lining and do not move relative to the lining. Because the tunnel passes through different bottom layers, the Kangman's requirements of each section of bottom layer are different, so that the thickness of the lining and the waterproof mode of the deformation joint are different, and the experimental device can simulate the actual structure of the deformation joint of the lining.
Bury the waterstop and bear among the hydraulic experimental apparatus in foretell test movement joint, the pressurization subassembly including be fan-shaped last steel sheet, with last steel sheet lower steel sheet and the fixed plate of vertical fixation between last steel sheet and lower steel sheet that the steel sheet set up relatively, the same and the size of shape of going up steel sheet and lower steel sheet equals, the interior anchor ring of above-mentioned stagnant water ring pastes with the circular arc limit of last steel sheet and lower steel sheet respectively and pastes the setting, both ends paste with the interior anchor ring of stagnant water ring respectively and paste the setting about the fixed plate, last steel sheet, lower steel sheet, fixed plate and stagnant water ring between be formed with inclosed water cavity, should add water cavity and movement joint and set up relatively, last steel sheet on link firmly the water pipe of lower extreme and water cavity intercommunication, the top of water pipe is worn out the lining and is connected with the force pump.
The fixed plate is a steel plate, the water supply pipe is a slender steel pipe, the inner diameter of the slender steel pipe is larger than 10mm, the thickness of the water supply pipe is larger than 2mm, and the wall thickness of the water supply pipe is as thick as possible under the condition that the inner diameter is fixed. And the upper steel plate is provided with a round hole communicated with the water adding cavity, the diameter of the round hole is smaller than or equal to that of the water supply pipe, and the water supply pipe is fixed with the upper steel plate through welding and is communicated with the round hole. The seam is located the fixed plate and keeps away from one side of last steel sheet or lower steel sheet, and seam and fixed plate centering set up. When the water adding cavity is pressurized, the water pressure cannot be directly applied to the joint, and the joint of the water stop belt is prevented from being damaged firstly. An air release hole, a pressure gauge connecting hole and a water injection hole are also arranged above the water supply pipe, and the pressure pump is connected with the water injection hole. When water is injected, air in the water filling cavity and the water feeding pipe is discharged through the air release hole, when the air is completely discharged, the air release hole is closed, and the pressure pump pumps water into the water filling cavity through the water injection hole in a step-by-step pressurizing mode.
In the experimental device for testing the water pressure bearing capacity of the buried water stop in the deformation joint, the central angle of the upper steel plate is 120-180 degrees. The central angle of the upper steel plate is an included angle formed by one straight edge and the other straight edge of the upper steel plate, and when the central angle of the upper steel plate is not equal to 180 degrees, the fixing plate is a folded plate.
In the experimental device for testing the water pressure borne by the buried water stop in the deformation joint, the central angle of the upper steel plate is 180 degrees, the fixing plate is a straight plate, the upper end of the fixing plate is welded with the straight edge of the upper steel plate, the lower end of the fixing plate is welded with the straight edge of the lower steel plate, and the water feeding cavity is semi-cylindrical. When the central angle of the upper steel plate is 180 degrees, the upper steel plate is changed into a semicircle, the lower steel plate is changed into a semicircle, and the water adding cavity is a semi-cylindrical cavity. The left length and the right length of the fixing plate are equal to the diameter of the upper steel plate, the upper width and the lower width of the fixing plate are equal to the width of the deformation joint, and the thickness of the fixing plate is larger than 2 mm. After water enters the water adding cavity, the semi-circumferential surface of the water adding cavity (namely the inner wall of the water stopping ring) is pressed, and when the water stopping ring is observed to have water seepage or the lining is cracked or the numerical value on the pressure gauge is reduced, the maximum water pressure which can be borne by the water stopping ring is obtained. The radius of the upper steel plate and the lower steel plate should be larger than 100mm, and the thickness of the upper steel plate and the lower steel plate should be larger than 2mm, so that the rigidity is ensured.
In the experimental device for testing the water pressure borne by the buried water stop in the deformation joint, the circular water baffle which is positioned in the lining and is coaxial with the water delivery pipe is welded outside the water delivery pipe, and the distance between the water baffle and the top end of the water stop ring above the water stop ring is greater than 50 mm. The water baffle mainly plays a waterproof role, mainly plays a purpose of preventing water flow from seeping along the water supply pipe, has no requirement on strength, and has the thickness of 0.2-5 mm and the diameter of more than 100mm, and the thickness is not too large on the premise of ensuring the welding quality.
In the experimental device for testing the water pressure bearing capacity of the buried water stop in the deformation joint, the length of the water stop of the full-buried lining is greater than the width of the water stop. Full embedding means that both sides of the waterstop are in contact with the lining.
In the experimental device for testing the water pressure borne by the buried water stop in the deformation joint, the distance from the water stop ring to the external free surface of the lining is half of the thickness of the lining.
In the experimental device for testing the water pressure borne by the buried water stop in the deformation joint, a steel cushion block is arranged between the upper steel plate and the lower steel plate.
The experimental method for testing the water pressure borne by the buried water stop in the deformation joint comprises the following steps:
a. welding an upper steel plate, a lower steel plate, a fixing plate and a water supply pipe together to form a pressurizing assembly, and welding a circular water baffle on the water supply pipe;
b. taking a water stop belt with a certain length, enclosing the water stop belt into an annular water stop ring along the length direction of the water stop belt, and bonding the joint by using an adhesive; the adhesive is cold glue;
c. erecting a bottom template and a side template, forming a pouring cavity between the bottom template and the side template, centering a water stop ring in the pouring cavity, pouring a lining from bottom to top, and pouring the lower part of the water stop ring into the lining;
d. putting the pressurizing assembly into the water stop ring, enabling the lower steel plate to abut against the poured partial lining, ensuring that the arc edges of the upper steel plate and the lower steel plate are tightly attached to the inner wall of the water stop ring, and enabling the central line of the width of the water stop belt and the central line of the width of the fixing plate to be located in the same horizontal plane; placing foam into one side of the water stop ring, which is far away from the joint, to form a deformation joint; because the arc edges of the upper steel plate and the lower steel plate are tightly attached to the inner wall of the water stop ring, concrete can be prevented from flowing into the water adding cavity when the lining is poured; the foam is used as a supporting material, and the thickness of the foam is the width of the deformation joint;
e. pouring the rest part of the lining; removing the foam after the lining maintenance is finished;
f. placing the poured lining on one large steel plate, placing the other large steel plate on the lining, and screwing the two large steel plates through bolts;
g. the water supply pipe is connected to a pressure pump, and the pressure pump is used for pressurizing step by step, and when the water stopping belt is observed to have water stretching out or the lining is cracked or the pressure gauge is reduced, the maximum water pressure is obtained.
In the experimental method for testing the water pressure borne by the buried water stop in the deformation joint, the pressure applied to each stage in the step g of pressurizing is 0.1MPa to 1MPa, and the pressure stabilizing time of each stage is more than 5 minutes.
Compared with the prior art, the utility model has the advantages of it is following:
the test device can simulate the actual structure of a lining deformation joint, can test the water pressure resistance of a lining at the waterproof deformation joint of the buried water stop belt, verify whether the water pressure resistance level meets the design requirement, feed back the design and adjust lining parameters and a waterproof mode; the one side pressurization makes the waterstop seam keep away from one side of movement joint, guarantees that the waterstop weak point can not receive the pressure of water earlier and from seam department destruction.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Fig. 2 is a schematic view of a partial structure of the pressing assembly provided by the present invention.
Fig. 3 is a layout diagram of a water stop ring provided by the present invention.
In the figure, 1, lining; 2. seaming; 3. a water stop ring; 4. deformation joints; 5. steel plate feeding; 6. a lower steel plate; 7. a fixing plate; 8. a water adding cavity; 9. a water supply pipe; 10. a water baffle; 11. a steel cushion block; 12. a bottom template; 13. a sideform; 14. and (3) foaming.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The experimental device for testing the water pressure borne by the buried water stop in the deformation joint comprises a lining 1 with the diameter of 1m and the height of 1.1m and a water stop ring 3 which is surrounded by a rectangular water stop and is provided with a seam 2, wherein the water stop ring 3 is arranged in the lining 1 in the middle, and the axial length of the water stop ring 3 is smaller than the height of the lining 1. As shown in fig. 1, a deformation joint 4 extending radially outward from the outer side of the water stop ring 3 is provided at 1/2 of the height of the lining 1, the joint 2 of the water stop ring 3 is located at one side away from the deformation joint 4, a pressurizing assembly for pressurizing one side of the water stop ring 3 away from the joint 2 is provided inside the water stop ring 3, and the pressurizing assembly is arranged opposite to the deformation joint 4. The water stop ring 3 and the pressurizing assembly are buried in the lining 1 and do not move relative to the lining 1. Because the tunnel passes through different bottom layers, the Kangman requirement of each section of bottom layer is different, the thickness of the lining 1 and the waterproof mode of the deformation joint 4 are also different, and the experimental device can simulate the actual structure of the deformation joint 4 of the lining 1.
As shown in fig. 2, the pressurizing assembly includes a fan-shaped upper steel plate 5, a lower steel plate 6 disposed opposite to the upper steel plate 5, and a fixing plate 7 vertically fixed between the upper steel plate 5 and the lower steel plate 6, and the upper steel plate 5 and the lower steel plate 6 have the same shape and the same size. As shown in fig. 3, the inner ring surface of the water stop ring 3 is attached to the inner ring surface of the upper steel plate 5 and the lower steel plate 6, the left end and the right end of the fixing plate 7 are attached to the inner ring surface of the water stop ring 3, the upper steel plate 5, the lower steel plate 6, a closed water adding cavity 8 is formed between the fixing plate 7 and the water stop ring 3, the water adding cavity 8 is arranged opposite to the deformation joint 4, the upper steel plate 5 is fixedly connected with a water supply pipe 9 with the lower end communicated with the water adding cavity 8, and the upper part of the water supply pipe 9 penetrates out of the lining 1 and then is connected with a pressure pump.
The fixing plate 7 is a steel plate, the water supply pipe 9 is a slender steel pipe, the inner diameter of the slender steel pipe is larger than 10mm, the thickness of the water supply pipe 9 is larger than 2mm, and the wall thickness of the water supply pipe 9 is as thick as possible under the condition of a certain inner diameter. And a round hole communicated with the water adding cavity 8 is formed in the upper steel plate 5, the diameter of the round hole is smaller than or equal to that of the water supply pipe 9, and the water supply pipe 9 is fixed with the upper steel plate 5 through welding and is communicated with the round hole. The joint 2 is located on one side of the fixing plate 7 far away from the upper steel plate 5 or the lower steel plate 6, and the joint 2 and the fixing plate 7 are arranged in a centering mode. When the water adding cavity 8 is pressurized, the water pressure cannot be directly applied to the joint 2, and the joint 2 of the water stop belt is prevented from being damaged firstly. An air release hole, a pressure gauge connecting hole and a water injection hole are also arranged above the water supply pipe 9, and the pressure pump is connected with the water injection hole. When water is injected, air in the water filling cavity 8 and the water feeding pipe 9 is discharged through the air release holes, when the air is completely discharged, the air release holes are closed, and the pressure pump gradually pressurizes and pumps water into the water filling cavity 8 through the water injection holes. In this embodiment, a release valve is installed in the release hole.
Wherein, the central angle of the upper steel plate 5 is 120-180 degrees. The central angle of the upper steel plate 5 is an included angle formed by one straight edge and the other straight edge of the upper steel plate 5, and when the central angle of the upper steel plate 5 is not equal to 180 degrees, the fixing plate 7 is a folded plate. As shown in fig. 2, the central angle of the upper steel plate 5 is 180 °, the fixing plate 7 is a straight plate, the upper end of the fixing plate is welded to the straight edge of the upper steel plate 5, the lower end of the fixing plate 7 is welded to the straight edge of the lower steel plate 6, and the water adding cavity 8 is semi-cylindrical. When the central angle of the upper steel plate 5 is 180 degrees, the upper steel plate 5 becomes semicircular, the lower steel plate 6 becomes semicircular, and the water adding cavity 8 is a semi-cylindrical cavity. Wherein the left and right length of the fixing plate 7 is equal to the diameter of the upper steel plate 5, the upper and lower width of the fixing plate 7 is equal to the width of the deformation joint 4, and the thickness of the fixing plate 7 is larger than 2 mm. After water enters the water adding cavity 8, the semi-circumference surface of the water adding cavity 8 (namely the inner wall of the water stopping ring 3) is pressed, and when the water seepage of the water stopping ring 3 or the cracking of the lining 1 or the reduction of the numerical value on the pressure gauge is observed, the maximum water pressure born by the water stopping ring 3 is obtained. The radius of the upper steel plate 5 and the lower steel plate 6 should be more than 100mm, and the thickness thereof should be more than 2mm to ensure rigidity.
As shown in figure 1, a circular water baffle 10 which is positioned in the lining 1 and is coaxial with the water feeding pipe 9 is welded outside the water feeding pipe 9, the water baffle 10 is positioned above the water stop ring 3, and the distance between the top end of the water stop ring 3 and the water baffle 10 is more than 50 mm. The water baffle 10 mainly plays a role in water prevention, mainly plays a role in preventing water flow from seeping along the water supply pipe 9, has no requirement on strength, and is not too large in thickness on the premise of ensuring welding quality, the thickness range is 0.2-5 mm, and the diameter of the water baffle 10 is larger than 100 mm.
In this embodiment, the length of the waterstop of the full-embedded lining 1 is greater than the width of the waterstop. Full embedding means that both sides of the waterstop are in contact with the lining 1. The distance from the water stop ring 3 to the outer free surface of the lining 1 is half of the thickness of the lining 1, and in the embodiment, the distance from the water stop ring to the outer free surface of the lining 1 is 400 mm.
As shown in fig. 1, a steel spacer 11 is provided between the upper steel plate 5 and the lower steel plate 6.
The experimental method for testing the water pressure borne by the buried water stop in the deformation joint comprises the following steps:
selecting a water supply pipe 9 with the outer wall thickness of 5mm, the length of 100mm and the inner diameter of 10mm, and adopting Q345 steel for supporting; selecting a semicircular steel plate 5 and a semicircular lower steel plate 6 which are 0.2mm in thickness and 100mm in radius, and digging a circular hole on the upper steel plate 5;
a. welding an upper steel plate 5, a lower steel plate 6, a fixing plate 7 and a water supply pipe 9 together to form a pressurizing assembly, and welding a circular water baffle plate 10 on the water supply pipe 9 to prevent water from seeping along the water supply pipe 9;
b. taking a water stop belt with a certain length, enclosing the water stop belt into an annular water stop ring 3 along the length direction of the water stop belt, and bonding the joint 2 together by using an adhesive; the adhesive is cold glue;
c. erecting a bottom template 12 and a side template 13, forming a pouring cavity between the bottom template 12 and the side template 13, centering a water stop ring 3 in the pouring cavity, pouring a lining 1 from bottom to top, and pouring the lower part of the water stop ring 3 into the lining 1;
d. putting the pressurizing assembly into the water stop ring 3, enabling the lower steel plate 6 to abut against the poured partial lining 1, and ensuring that the arc edges of the upper steel plate 5 and the lower steel plate 6 are tightly attached to the inner wall of the water stop ring 3, wherein the middle line of the width of the water stop belt and the middle line of the width of the fixing plate 7 are positioned in the same horizontal plane; placing foam 14 on one side of the water stop ring 3 away from the joint 2 to form a deformation joint 4, wherein the width of the deformation joint 4 is 20 mm; because the arc edges of the upper steel plate 5 and the lower steel plate 6 are tightly attached to the inner wall of the water stop ring 3, concrete can be prevented from flowing into the water adding cavity 8 when the lining 1 is poured; the foam 14 is used as a supporting material, and the thickness of the foam is equal to the width of the deformation joint 4;
e. pouring the rest part of the lining 1; removing the foam 14 after the maintenance of the lining 1 is finished;
f. placing the poured lining 1 on one large steel plate, placing the other large steel plate on the lining 1, and screwing the two large steel plates through bolts;
g. the water supply pipe 9 is connected to a pressure pump, and the pressure is gradually increased, and when the water stopping belt is stretched out or the lining 1 is cracked or the pressure gauge is reduced, the maximum water pressure is obtained.
Wherein, the pressure applied by each stage in the step-by-step pressurization in the step g is 0.1MPa to 1MPa, and the pressure stabilizing time of each stage is more than 5 minutes.
During the experiment, open the bleed valve, inwards fill water, close the bleed valve when having rivers to flow in the hole of disappointing. And (4) continuing pressurizing, stopping pressurizing when the water pressure is increased to 0.25MPa, maintaining the pressure for 10 minutes, and timely supplementing pressure if obvious pressure reduction occurs in the midway.
And (3) boosting pressure upwards by taking 0.5MPa as a first level, maintaining the pressure for 10 minutes per liter of the first level, and supplementing pressure in time when the pressure is reduced in the midway to exceed 0.5 MPa. And when the pressure reaches 4.5MPa, the pressure is stabilized for 48 hours. And then continuously pressurizing, and when the water stop belt is broken and water leakage occurs or a gap between the water stop belt and the concrete leaks, considering that the maximum water pressure value is reached.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a bury waterstop and bear hydraulic experimental apparatus in test movement joint, includes lining cutting (1) and waterstop ring (3) that have seam (2) that enclose by the rectangle waterstop, waterstop ring (3) locate in the lining cutting (1) between two parties, the axial length of waterstop ring (3) is less than the height of lining cutting (1), a serial communication port, 1/2 department of lining cutting (1) height is equipped with by radial outside movement joint (4) of extending in the waterstop ring (3) outside, seam (2) of waterstop ring (3) are located the one side of keeping away from movement joint (4), the inside of waterstop ring (3) is equipped with and is used for carrying out the pressurized pressure component to one side that seam (2) were kept away from to waterstop ring (3), pressure component and movement joint (4) set up relatively.
2. The experimental device for testing the water pressure bearing capacity of the buried water stop in the deformation joint according to claim 1, wherein the pressurizing assembly comprises a fan-shaped upper steel plate (5), a lower steel plate (6) arranged opposite to the upper steel plate (5), and a fixing plate (7) vertically fixed between the upper steel plate (5) and the lower steel plate (6), the upper steel plate (5) and the lower steel plate (6) are same in shape and same in size, the inner ring surface of the water stop ring (3) is respectively attached to the arc edges of the upper steel plate (5) and the lower steel plate (6), the left end and the right end of the fixing plate (7) are respectively attached to the inner ring surface of the water stop ring (3), a closed water adding cavity (8) is formed among the upper steel plate (5), the lower steel plate (6), the fixing plate (7) and the water stop ring (3), and the water adding cavity (8) is arranged opposite to the deformation joint (4), the upper steel plate (5) is fixedly connected with a water feeding pipe (9) with the lower end communicated with the water adding cavity (8), and the upper part of the water feeding pipe (9) penetrates out of the lining (1) and then is connected with a pressure pump.
3. The experimental device for testing the water pressure bearing capacity of the buried water stop in the deformation joint as claimed in claim 2, wherein the central angle of the upper steel plate (5) is 120-180 °.
4. The experimental device for testing the water pressure of the buried water stop in the deformation joint according to claim 3, wherein the central angle of the upper steel plate (5) is 180 degrees, the fixing plate (7) is a straight plate, the upper end of the fixing plate is welded with the straight edge of the upper steel plate (5), the lower end of the fixing plate (7) is welded with the straight edge of the lower steel plate (6), and the water adding cavity (8) is semi-cylindrical.
5. The experimental device for testing the water pressure borne by the buried water stop in the deformation joint according to claim 2, wherein a circular water baffle (10) which is positioned in the lining (1) and is coaxial with the water supply pipe (9) is welded outside the water supply pipe (9), the water baffle (10) is positioned above the water stop ring (3), and the distance between the top end of the water stop ring (3) and the water baffle (10) is greater than 50 mm.
6. The experimental device for testing the water pressure of the buried water stop in the deformation joint according to claim 1, wherein the length of the water stop of the full-buried lining (1) is greater than the width of the water stop.
7. The experimental device for testing the water pressure of the buried water stop in the deformation joint according to claim 1, wherein the distance from the water stop ring (3) to the outer free surface of the lining (1) is half of the thickness of the lining (1).
8. The experimental device for testing the water pressure bearing capacity of the buried water stop in the deformation joint according to claim 2, wherein a steel cushion block (11) is arranged between the upper steel plate (5) and the lower steel plate (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920600914.XU CN209878494U (en) | 2019-04-28 | 2019-04-28 | Experimental device for testing water pressure borne by buried water stop in deformation joint |
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| CN201920600914.XU CN209878494U (en) | 2019-04-28 | 2019-04-28 | Experimental device for testing water pressure borne by buried water stop in deformation joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113217019A (en) * | 2021-04-01 | 2021-08-06 | 中铁二院贵阳勘察设计研究院有限责任公司 | Test method for testing effectiveness of quickly-installed waterstop drain pipe |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109900559B (en) * | 2019-04-28 | 2024-08-16 | 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 deformation joint |
| CN113217019A (en) * | 2021-04-01 | 2021-08-06 | 中铁二院贵阳勘察设计研究院有限责任公司 | Test method for testing effectiveness of quickly-installed waterstop drain pipe |
| CN113217019B (en) * | 2021-04-01 | 2023-11-17 | 中铁二院贵阳勘察设计研究院有限责任公司 | Test method for testing effectiveness of drain pipe of quick-installation water stop |
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