CN108776098A - A kind of wall anti-permeability performance on-site detecting device - Google Patents

A kind of wall anti-permeability performance on-site detecting device Download PDF

Info

Publication number
CN108776098A
CN108776098A CN201810796622.8A CN201810796622A CN108776098A CN 108776098 A CN108776098 A CN 108776098A CN 201810796622 A CN201810796622 A CN 201810796622A CN 108776098 A CN108776098 A CN 108776098A
Authority
CN
China
Prior art keywords
wall
seal closure
water
detecting device
permeability performance
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810796622.8A
Other languages
Chinese (zh)
Inventor
傅军
董彬
叶佳斌
于悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sci Tech University ZSTU
Zhejiang University of Science and Technology ZUST
Nanjing Communications Institute of Technology
Original Assignee
Zhejiang Sci Tech University ZSTU
Nanjing Communications Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Sci Tech University ZSTU, Nanjing Communications Institute of Technology filed Critical Zhejiang Sci Tech University ZSTU
Priority to CN201810796622.8A priority Critical patent/CN108776098A/en
Publication of CN108776098A publication Critical patent/CN108776098A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082Investigating permeability by forcing a fluid through a sample

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The invention belongs to wall anti-permeability performance detection technique fields, and in particular to a kind of wall anti-permeability performance on-site detecting device, including:Spray unit, spray unit includes seal closure and the spray tube in seal closure, there is seal closure opening, seal closure to be fixed on wall, and the opening of seal closure is bonded with the metope to be measured of wall so that the inside of seal closure and the metope to be measured of wall constitute sealing space;Spray tube has several spray apertures, and spray apertures correspond to the opening laying of seal closure, spray water for the metope to be measured to wall;Recovery unit is connected to the inside of seal closure, for recycling the water not penetrated into wall.The wall anti-permeability performance on-site detecting device, passes through the design of seal closure so that the inside of seal closure and the metope to be measured of wall constitute sealing space so that the water not penetrated into wall can be stored in sealing space;To be connected to the inside of seal closure using recovery unit, to recycle the water not penetrated into wall;Save water resource.

Description

A kind of wall anti-permeability performance on-site detecting device
Technical field
The invention belongs to wall anti-permeability performance detection technique fields, and in particular to a kind of wall anti-permeability performance Site Detection dress It sets.
Background technology
The 70% of China room construction material is materials for wall.Raising with country to green building and green building material requirement, Energy conservation and environmental protection, durability and functionality are more focused in the development of materials for wall.Extensive use with new wall material and wall The wall leakage problem that is widely popularized of energy-saving heat preserving technology more can not be ignored.Materials for wall by rainwater the effects that under ooze Thoroughly, the media such as various harmful circulating waters, solution enter from the hole of material inside it, to cause material corrosion, structure pine It dissipates, compactness declines.In addition to material itself, structure can also generate crack because of a variety of causes, and then increase infiltration, and material is caused to be protected Warm nature can be with the decline of endurance quality;The beauty of building and the living quality of the people have also been seriously affected simultaneously.Therefore, accurately Understand the permeability of wall has great significance to ensureing building function and its durability, improving wall thermal insulating energy-saving effect.
Currently, effectively solving the problems, such as that the key of wall leakage is to maintain strict control over quality of materials and standard construction step, and examine wall Body leakage scenarios most effective way is to undergo the test of the severe weather conditions such as wind, rain, but this belongs to subsequent repairing scope.Cause This, develops the portable field detecting instrument for the wall anti-permeability performance that can effectively simulate natural precipitation condition, for reinforcing in advance With construction process control and providing basis for estimation for acceptance of engineering quality has apparent meaning.
In the prior art, Wang Jing et al. discloses application of the water pouring test in examining external wall leakage and grinds in the literature Study carefully, water pouring test simulation heavy showers is carried out to examine its leakage scenarios by pipeline spray orifice External Wall using pressure (hydraulic) water, is being simulated When typhoon and tropical storm state, the leaching water rate control of water pouring test is in 3L/m2Min or more, persistently the water drenching time answers every time No less than 20min or water drenching are until occurring serious leakage.Water pouring test simulated rainfall effect is true to nature, and hardly by region, Time, climatic effect, operating process is easy, but the test method needs to consume great lot of water resources, how effectively to recycle spray and uses Water is a urgent problem to be solved.
Invention content
Based on above-mentioned deficiency existing in the prior art, the present invention provides a kind of wall anti-permeability performance on-site detecting device.
In order to reach foregoing invention purpose, the present invention uses following technical scheme:
A kind of wall anti-permeability performance on-site detecting device, including:
Spray unit, the spray unit include seal closure and the spray tube in seal closure, and the seal closure has Opening, the seal closure be fixed on wall, and the opening of seal closure is bonded with the metope to be measured of wall so that the seal closure The internal metope to be measured with wall constitutes sealing space;The spray tube has several spray apertures, and the spray apertures correspond to The opening of the seal closure is laid, and is sprayed water for the metope to be measured to wall;
Recovery unit is connected to the inside of seal closure, for recycling the water not penetrated into wall.
Preferably, the wall anti-permeability performance on-site detecting device further includes one or more fixed cells, institute Fixed cell is stated for seal closure to be fixed on wall.
Preferably, the fixed cell includes sucker and holder, and one end and the seal closure of the holder are fixed, institute The other end and sucker for stating holder are fixed, and the inside of the sucker is connected to a vacuum pump.
Preferably, the recovery unit includes water tank and recovery pipe, one end of the recovery pipe and water tank Connection, the other end are connected to the inside of seal closure.
Preferably, the spray tube has a water inlet, and the water inlet of the spray tube and the water tank pass through the One water pipe is connected to.
Preferably, first water pipe is equipped with booster water pump and pressure regulator valve, and the pressure regulator valve increases for adjusting The hydraulic pressure of water pump.
Preferably, throttle valve is additionally provided on first water pipe, the throttle valve is laid in booster water pump and spray Between the water inlet of shower pipe.
Preferably, flowmeter is additionally provided on first water pipe, the flowmeter is laid in throttle valve and spray Between the water inlet of pipe.
Preferably, pressure gauge is additionally provided on first water pipe, the pressure gauge is laid in flowmeter and spray Between the water inlet of pipe.
Preferably, the spray tube is snakelike pipeline structure.
Compared with prior art, the present invention advantageous effect is:
The present invention wall anti-permeability performance on-site detecting device, pass through the design of seal closure so that the inside of seal closure with The metope to be measured of wall constitutes sealing space so that the water not infiltrated through in wall can be stored in sealing space;To profit It is connected to the inside of seal closure with recovery unit, to recycle the water not infiltrated through in wall, valuable water resource can be saved; Natural precipitation condition can also be effectively simulated, the detection of wall anti-permeability performance is carried out;It is easy to carry.
Description of the drawings
Fig. 1 is the structural schematic diagram of the wall anti-permeability performance on-site detecting device of the embodiment of the present invention one;
Fig. 2 be the embodiment of the present invention one wall anti-permeability performance on-site detecting device in spray unit structural schematic diagram;
Fig. 3 be the embodiment of the present invention one wall anti-permeability performance on-site detecting device in seal closure and fixed cell structure Schematic diagram;
Fig. 4 be the embodiment of the present invention one wall anti-permeability performance on-site detecting device in fixed cell structural schematic diagram;
Fig. 5 be the embodiment of the present invention one wall anti-permeability performance on-site detecting device in fixed cell another state knot Structure schematic diagram.
Specific implementation mode
In order to illustrate the embodiments of the present invention more clearly, below by the specific implementation mode of the control description of the drawings present invention. It should be evident that drawings in the following description are only some embodiments of the invention, those of ordinary skill in the art are come It says, without creative efforts, other drawings may also be obtained based on these drawings, and obtains other real Apply mode.In addition, the direction term being previously mentioned in following embodiment, such as:Upper and lower, left and right, front or rear etc. are only with reference to attached The direction of figure.Therefore, the direction term used is intended to be illustrative and not intended to limit the present invention.
Embodiment one:
As shown in Figs. 1-5, the wall anti-permeability performance on-site detecting device of the present embodiment, including the spraying intensity laid successively Adjust unit, spray unit, fixed cell and recovery unit.Specifically, as shown in Fig. 2, spray unit 8 includes 81 He of seal closure The spray tube 82 being fixed on inside seal closure 81, specific fixed form of installing can be to be equipped with admittedly on seal closure inner wall Spray tube is fixed by fixing bracket, is not stated in detail herein by fixed rack, and installation fixed form commonly used in the prior art is equal It can.The longitudinal section of seal closure 81 is rectangle structure (can also be the structures such as circle, triangle), and seal closure 81 is stainless steel Matter, the medial surface opening of seal closure 81;When seal closure 81 is fixed on wall, the medial surface opening of seal closure 81 and waiting for for wall Metope fitting is surveyed, the inside of seal closure 81 and the metope to be measured of wall constitute sealing space, can prevent from not penetrating into wall Water flows out, and causes water resource waste.In addition, there is pipe inlet 812, the bottom of seal closure 81 to have water at the top of seal closure 81 Outflux 811, so as to the water recycling that will not be penetrated into seal closure in wall.Wherein, as shown in figure 3, seal closure 81 passes through eight Fixed cell 10 is fixed on the wall, and on four angles on 81 periphery of seal closure, each angle is set there are two fixed cell, and along each The right-angle side at angle is fixed;As shown in Figures 4 and 5, fixed cell 10 includes sucker 101 and holder 104,;Specifically, sucker 101 Middle part extends outward to form convex section, and convex section is fixed with lantern ring 102, one end of holder 104 by welding with sealing The right-angle side of cover 81 is fixed, and the other end of holder 104 realizes fixation through lantern ring 102 and by fixing bolt 103, to realize The fixation of fixed cell 10 and seal closure 81.
Vacuum pump 11 is connected to the inside of each sucker 101 by tracheae 12, when vacuum pump 11 start to the inside of sucker into When row pumping, sucker 101 is inside and outside to form huge pressure difference so that and sucker 101 is securely fixed on the metope of wall, to Seal closure is fixed on tested metope, realizes the lossless fixation of seal closure.
Spray tube 82 is snakelike pipeline structure, is conducive to the area for increasing spray.Spray tube 82 has several spray apertures 821, and spray apertures 821 face the medial surface opening laying of seal closure 81, so that the water that spray apertures 821 spray can be straight It connects and wall is carried out to wash away infiltration, to detect the anti-permeability performance of wall.Wherein, the water inlet of spray tube 82 is seal closure 81 The pipe inlet 812 at top, to reduce the output of hydraulic pressure.
It includes pressure regulator valve 2, booster water pump 3, throttle valve 4, flowmeter 5, pressure gauge 6 and the first water that spraying intensity, which adjusts unit, Pipe 7, wherein the first water pipe 7 is hose, is convenient for the activity of the first water pipe;The left end of first water pipe 7 is water inlet end, the first water pipe 7 Right end (i.e. water outlet) connect by movable joint with pipe inlet 812 (i.e. the water inlet of spray tube).
Pressure regulator valve 2 and booster water pump 3 are set on first water pipe 7, and booster water pump 3 is for carrying out flow in the first water pipe 7 Supercharging, pressure regulator valve 2 is for adjusting supercharging of the booster water pump 3 to flow in the first water pipe 7.
Throttle valve 4 is also set up on first water pipe 7, throttle valve is mounted between booster water pump 3 and the water inlet of spray tube, is used In the flow for controlling flow in the first water pipe 7.
Flowmeter 5 is also set up on first water pipe 7, flowmeter 5 is mounted between throttle valve 4 and the water inlet of spray tube, is used In the flow for obtaining flow in the first water pipe 7, arrange in pairs or groups and use with throttle valve 4, can adjust water flow in the first water pipe 7 to Target flow.
Pressure gauge 6 is also set up on first water pipe 7, pressure gauge 6 is mounted between flowmeter 5 and the water inlet of spray tube, is used In the pressure value for obtaining flow in the first water pipe 7, to ensure that the hydraulic pressure of the flow in the first water pipe is no more than pipeline and instrument Pressure voltage.
When carrying out anti-permeability performance test, start booster water pump 3, adjusts pressure regulator valve 2 and throttle valve 4, spray flow is made to reach It to design rainfall, while need to ensure that hydraulic pressure is no more than the pressure voltage of pipeline and instrument by pressure gauge 6, then proceed by rainwater Wash away penetration testing.
Recovery unit includes water tank 1 and recovery pipe 9, and the left end of recovery pipe 9 is connected to water tank, the right side of recovery pipe 9 End is connected to the water export 811 of seal closure 81, so that the water for not infiltrating through wall stored in seal closure 81 is recycled to water tank 1 Interior, water tank 1 is stainless steel.In addition, water tank 1 is connected to the water inlet end of the first water pipe 7, realize that entire wall anti-permeability performance is existing The waterway circulating of field detecting device improves the utilization rate of water resource.
The wall anti-permeability performance on-site detecting device of the present embodiment, by adjust pressure regulator valve and throttle valve change hydraulic pressure and Flow simulates different condition of raining with this and washes away infiltration to wall.It, first will spray before carrying out wall impermeability on-the-spot test Leaching unit is placed on tested metope, is then started vacuum pump and is evacuated to sucker by tracheae, keeps the inside and outside formation of sucker huge Big pressure difference completes lossless fixation of the spray unit on tested metope.When carrying out impervious test, start booster water pump, Pressure regulator valve and throttle valve are adjusted, so that spray flow is reached design rainfall, while need to ensure that hydraulic pressure is no more than pipeline by pressure gauge With the pressure voltage of instrument, rain drop erosion penetration testing is then proceeded by;After continuously spraying, booster water pump is closed, Stop spray, while recording the leakage scenarios of side within the walls and measuring the percentage of water loss of spray time inner water tank, by being oozed on wall The percentage of water loss of the quantity of leak source, area and water tank to carry out impervious evaluation to being tested wall segment.In addition, the present embodiment Wall anti-permeability performance on-site detecting device, it is easy to carry.
Embodiment two:
The wall anti-permeability performance on-site detecting device of the present embodiment with embodiment one the difference is that:Fixed cell Quantity.
Specifically, it since the effect of fixed cell is fixed on entire spray unit is lossless on metope, substantially only needs Seal closure is fixed on metope, so the quantity of fixed cell can carry out unrestricted choice according to actual needs, for example, sucker Quantity can be two, three, four, six, seven etc., as long as can realize that seal closure is firmly secured on metope It can.
Other structures can be with reference implementation example one.
Embodiment three:
The wall anti-permeability performance on-site detecting device of the present embodiment with embodiment one the difference is that:In recovery pipe Upper setting booster water pump.
Specifically, suction pump is set in recovery pipe, convenient for the water in seal closure is discharged in time, in order to avoid in seal closure Water increase, destroy the fixed stability of sucker.
Other structures can be with reference implementation example one.
As a preferred embodiment, the fixation of seal closure and wall can also be spiral shell other than the fixed form of above-mentioned sucker The existing common fixed forms such as nail is fixed, bolt is fixed or peripheral hardware fixing bracket is fixed.
It should be noted that above-described embodiment can be freely combined as needed.The above is only to the excellent of the present invention Embodiment and principle is selected to be described in detail, for those of ordinary skill in the art, the thought provided according to the present invention, It will change in specific implementation mode, and these changes should also be regarded as the scope of the invention.

Claims (10)

1. a kind of wall anti-permeability performance on-site detecting device, which is characterized in that including:
Spray unit, the spray unit include seal closure and the spray tube in seal closure, and the seal closure has opening, The seal closure is fixed on wall, and the opening of seal closure be bonded with the metope to be measured of wall so that the inside of the seal closure with The metope to be measured of wall constitutes sealing space;The spray tube has several spray apertures, and the spray apertures are corresponding to described close The opening of sealing cover is laid, and is sprayed water for the metope to be measured to wall;
Recovery unit is connected to the inside of seal closure, for recycling the water not penetrated into wall.
2. a kind of wall anti-permeability performance on-site detecting device according to claim 1, which is characterized in that the wall is impervious Performance on-site detecting device further includes one or more fixed cells, and the fixed cell is used to seal closure being fixed on wall.
3. a kind of wall anti-permeability performance on-site detecting device according to claim 2, which is characterized in that the fixed cell Including sucker and holder, one end and the seal closure of the holder are fixed, and the other end and the sucker of the holder are fixed, the sucker Inside be connected to a vacuum pump.
4. a kind of wall anti-permeability performance on-site detecting device according to claim 1, which is characterized in that the recovery unit Including water tank and recovery pipe, one end of the recovery pipe is connected to water tank, and the other end is connected to the inside of seal closure.
5. a kind of wall anti-permeability performance on-site detecting device according to claim 4, which is characterized in that the spray tube tool There are water inlet, the water inlet of the spray tube to be connected to by the first water pipe with the water tank.
6. a kind of wall anti-permeability performance on-site detecting device according to claim 5, which is characterized in that first water pipe It is equipped with booster water pump and pressure regulator valve, the pressure regulator valve is used to adjust the hydraulic pressure of booster water pump.
7. a kind of wall anti-permeability performance on-site detecting device according to claim 6, which is characterized in that first water pipe On be additionally provided with throttle valve, the throttle valve is laid between booster water pump and the water inlet of spray tube.
8. a kind of wall anti-permeability performance on-site detecting device according to claim 7, which is characterized in that first water pipe On be additionally provided with flowmeter, the flowmeter is laid between throttle valve and the water inlet of spray tube.
9. a kind of wall anti-permeability performance on-site detecting device according to claim 8, which is characterized in that first water pipe On be additionally provided with pressure gauge, the pressure gauge is laid between flowmeter and the water inlet of spray tube.
10. according to a kind of wall anti-permeability performance on-site detecting device of claim 1-9 any one of them, which is characterized in that institute It is snakelike pipeline structure to state spray tube.
CN201810796622.8A 2018-07-19 2018-07-19 A kind of wall anti-permeability performance on-site detecting device Pending CN108776098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810796622.8A CN108776098A (en) 2018-07-19 2018-07-19 A kind of wall anti-permeability performance on-site detecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810796622.8A CN108776098A (en) 2018-07-19 2018-07-19 A kind of wall anti-permeability performance on-site detecting device

Publications (1)

Publication Number Publication Date
CN108776098A true CN108776098A (en) 2018-11-09

Family

ID=64030091

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810796622.8A Pending CN108776098A (en) 2018-07-19 2018-07-19 A kind of wall anti-permeability performance on-site detecting device

Country Status (1)

Country Link
CN (1) CN108776098A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371972A (en) * 2018-11-30 2019-02-22 江苏兴厦建设工程集团有限公司 A kind of system and method for outer wall of basement maintenance
CN109900619A (en) * 2019-04-26 2019-06-18 上海建科检验有限公司 A kind of in-situ check and test method of lightweight wall vapor permeation performance
CN110095383A (en) * 2019-04-08 2019-08-06 西安理工大学 A kind of device carrying out slope runoff and interflow motion analysis for simulated rainfall
CN112198105A (en) * 2020-10-13 2021-01-08 余先浪 Detection system for impermeability of building
CN113155378A (en) * 2021-02-08 2021-07-23 中能化江苏地质矿产设计研究院有限公司 Method for detecting and identifying construction quality of exterior wall waterproof engineering
CN113720549A (en) * 2021-09-15 2021-11-30 烟台金润核电材料股份有限公司 Detection method of sealing material

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1393687A (en) * 2001-06-28 2003-01-29 同济大学 In-situ tester and method for impervious performance of external wall
CN102866103A (en) * 2012-10-15 2013-01-09 方远建设集团股份有限公司 Weather resistance detection device for outer wall test piece
CN204694603U (en) * 2015-06-26 2015-10-07 四川华构住宅工业有限公司 A kind of precast facade water-proof investigating system
CN107655815A (en) * 2017-11-17 2018-02-02 深圳市建筑科学研究院股份有限公司 A kind of wall deterioration test device
CN207133016U (en) * 2017-09-08 2018-03-23 广州市广州工程建设监理有限公司 External wall water test device
CN209911197U (en) * 2019-05-01 2020-01-07 湖南同力检测咨询有限公司 Curtain wall detection fixing device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1393687A (en) * 2001-06-28 2003-01-29 同济大学 In-situ tester and method for impervious performance of external wall
CN102866103A (en) * 2012-10-15 2013-01-09 方远建设集团股份有限公司 Weather resistance detection device for outer wall test piece
CN204694603U (en) * 2015-06-26 2015-10-07 四川华构住宅工业有限公司 A kind of precast facade water-proof investigating system
CN207133016U (en) * 2017-09-08 2018-03-23 广州市广州工程建设监理有限公司 External wall water test device
CN107655815A (en) * 2017-11-17 2018-02-02 深圳市建筑科学研究院股份有限公司 A kind of wall deterioration test device
CN209911197U (en) * 2019-05-01 2020-01-07 湖南同力检测咨询有限公司 Curtain wall detection fixing device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371972A (en) * 2018-11-30 2019-02-22 江苏兴厦建设工程集团有限公司 A kind of system and method for outer wall of basement maintenance
CN110095383A (en) * 2019-04-08 2019-08-06 西安理工大学 A kind of device carrying out slope runoff and interflow motion analysis for simulated rainfall
CN109900619A (en) * 2019-04-26 2019-06-18 上海建科检验有限公司 A kind of in-situ check and test method of lightweight wall vapor permeation performance
CN112198105A (en) * 2020-10-13 2021-01-08 余先浪 Detection system for impermeability of building
CN113155378A (en) * 2021-02-08 2021-07-23 中能化江苏地质矿产设计研究院有限公司 Method for detecting and identifying construction quality of exterior wall waterproof engineering
CN113720549A (en) * 2021-09-15 2021-11-30 烟台金润核电材料股份有限公司 Detection method of sealing material
CN113720549B (en) * 2021-09-15 2024-01-26 烟台金润核电材料股份有限公司 Detection method of sealing material

Similar Documents

Publication Publication Date Title
CN108776098A (en) A kind of wall anti-permeability performance on-site detecting device
CN106769798B (en) Water storage brick, permeable pavement performance detector and detection method
CN203701446U (en) Roof structure for garage roof planting
CN206618664U (en) A kind of concrete sealing material anti-permeability performance evaluation experimental device
CN105542654A (en) Efficient water-based nano-silicon rubber sealing waterproofing agent
Kim et al. Design method for determining rainwater tank retention volumes to control runoff from building rooftops
CN204715426U (en) A kind of water burst drainage system for closed deep foundation ditch exploratory hole
CN203977368U (en) Pressure-bearing reinforced concrete structure leakage repair device
CN102998068A (en) Detection method of roof leakage
CN205116580U (en) Flat roof deck drainage system
CN107356512A (en) Temperature becomes Under Concrete hydrostatic osmotic pressure test device
CN206002422U (en) A kind of bituminous paving permeability performance test device
CN206521881U (en) Building roof rainwater collection irrigation system
CN206132571U (en) Test tunnel row leads large scale test device of system's osmotic coefficient
CN109781263A (en) A kind of kitchen and toilet waterproof construction quality testing identification method
CN106197863A (en) A kind of trickle experimental provision for outer wall joint and exterior window and experimental technique
CN204807282U (en) Pressurization tester
CN209446235U (en) A kind of portable assembled architecture outer wall board checking device using hydraulic pressure
CN204081310U (en) Roofing sleeve pipe seepage control system device
CN209387471U (en) A kind of coefficient of permeability test device
CN204024326U (en) A kind of structure preventing outer eaves door and window mouth seepage from intaking
CN209446229U (en) A kind of portable assembled architecture outer wall board checking device using dry ice
CN207096055U (en) A kind of temperature becomes Under Concrete hydrostatic osmotic pressure test device
CN105178284A (en) Pulsation vacuum preloading drainage device and method of mucky soil soft foundation
CN205898771U (en) Testing arrangement of roofing tile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20181109

RJ01 Rejection of invention patent application after publication