阅读说明：本技术 高聚物自由膨胀体积测量的试验装置和试验方法 (The experimental rig and test method of high polymer free wxpansion cubing ) 是由 张蓓 许胜捷 钟燕辉 李松涛 李晓龙 赵鹏 李潇 桑现伟 冉中瑞 于 2019-09-26 设计创作，主要内容包括：本发明提供高聚物自由膨胀体积测量的试验装置和试验方法,一种高聚物自由膨胀体积测量的试验装置,包括试验仓和测量仓,试验仓和测量仓连通；试验仓设有测温装置,试验仓还设有注浆头和排气阀门；测量仓内设有把测量仓分割成测量仓A和测量仓B的分隔板,测量仓A和测量仓B只在下端连通,从而测量仓A和测量仓B形成连通器；测量仓A与试验仓A连通,测量仓B通过测量仓A与试验仓连通,测量仓A和测量仓B上分别设有观测窗口,观测窗口上设有刻度；测量仓B上端敞口或者设有可以与外界联通的阀门。为高聚物自由膨胀特性的研究提供了一种较完备的设备,所得测试结果可以为基础设施安全防护高聚物注浆修复的研究提供依据。(The present invention provides the experimental rig and test method of high polymer free wxpansion cubing, a kind of experimental rig of high polymer free wxpansion cubing, including test cabin and measurement storehouse, and test cabin is connected to measurement storehouse；Test cabin is equipped with temperature measuring equipment, and test cabin is additionally provided with casting head and drain tap；It is equipped in measurement storehouse and is divided into measurement storehouse A to be only connected in lower end with the demarcation plate of storehouse B, measurement storehouse A is measured with measurement storehouse B in measurement storehouse, so that measuring storehouse A and measurement storehouse B forms linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B is connected to by measuring storehouse A with test cabin, is respectively equipped with observation window on measurement storehouse A and measurement storehouse B, observation window is equipped with scale；It is open or equipped with can be with the valve of extraneous connection to measure the upper end storehouse B.A kind of more complete equipment is provided for the research of high polymer free wxpansion characteristic, gained test result the research of installation security protection high polymer grouting reparation can provide foundation based on.)

1. a kind of experimental rig of high polymer free wxpansion cubing, it is characterised in that: including test cabin (15) and measurement storehouse (4), test cabin is connected to measurement storehouse；Test cabin is equipped with temperature measuring equipment (5), and test cabin is additionally provided with casting head (13) and drain tap (6)；Measurement storehouse in be equipped with measurement storehouse be divided into measurement storehouse A(41) and measurement storehouse B(42) demarcation plate (43), measure storehouse A with It measures storehouse B to be only connected in lower end, forms linker to measure storehouse A and measure storehouse B；Measurement storehouse A is connected to test cabin A, is measured Storehouse B is connected to by measuring storehouse A with test cabin, is respectively equipped with observation window (8) on measurement storehouse A and measurement storehouse B, is set on observation window There are scale (14)；It is open or equipped with can be with the valve (7) of extraneous connection to measure the upper end storehouse B.

2. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: observation window It is started setting up from measurement storehouse A and the bottom for measuring storehouse B, scale is also started setting up from measurement storehouse A with the bottom for measuring storehouse B.

3. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: demarcation plate from Measurement storehouse is divided at center equally, and the volume of measurement storehouse A and measurement storehouse B in identical height is identical, and measurement storehouse B ratio measurement storehouse A has more High height.

4. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: test cabin and It observes storehouse A to connect by interface channel, and interface channel is separately connected test cabin and observes the upper end of storehouse A.

5. the experimental rig of high polymer free wxpansion cubing according to claim 4, it is characterised in that: interface channel It is interior to be equipped with filter screen.

6. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: temperature measuring equipment For temperature sensor or thermometer, temperature measuring equipment connects data acquisition device (11).

7. the experimental rig of high polymer free wxpansion cubing according to claim 1, it is characterised in that: test cabin It (15) include test cabin upper plate (1), test cabin warehouse (2), test cabin lower bottom base (3), test cabin lower bottom base (3) and test cabin Warehouse (2) is connected by bolt (9) and nut (10), test cabin warehouse (2) and test cabin lower bottom base (3), test cabin upper plate (1) sealing ring (12) are arranged in junction.

8. the experimental rig of high polymer free wxpansion cubing according to claim 7, it is characterised in that: measurement storehouse (4) lower section is equipped with measurement storehouse lower bottom base (40), and test cabin lower bottom base (3) and measurement storehouse lower bottom base (40) are provided with supporting leg.

9. the test method of high polymer free wxpansion cubing described in -8 any claims according to claim 1, special Sign is:

(1) drain tap (6) are opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to survey It measures in storehouse and fills the water, measure water level in the A of storehouse and be higher than the measurement lower end storehouse A and measurement storehouse lower than the measurement upper end storehouse A and test cabin connectivity part The lower end B connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap (6) after slip casting；

(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device Get off；

(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear Reason.

10. the test method of high polymer free wxpansion cubing according to claim 9, it is characterised in that:

Experiment test device and installation data acquisition system are first installed before the test is conducted,

Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base；

Installation data acquisition system connects data collector and temperature measuring equipment.

Technical field

The present invention relates to the experimental rigs of high polymer free wxpansion test more particularly to high polymer free wxpansion cubing And test method.

Technical background

Since reform and opening-up, product of the highway as modern Economy Development, as the important of modernization of the country civilization level Mark, increasingly obtains the attention of countries in the world.Since first, China highway Hu Jia high speed in 1988 is open to the traffic Since, the Highway Cause in China is entered to build the new era based on high-grade highway, in face of the opportunity of a lifetime, In Under the guide of national policy policy, under the correct leadership of traffic department, in all highway persons, unity of will is an impregnable stronghold, work hard, working in a clever way adds Under doing solid work, by the end of the year 2018, China's highway mileage open to traffic ranks first in the world, achievement is proud up to 140,000 kilometers or so People, the another world attractes attention.Reform and development are gone forward side by side, and are striven and are gone together with splendidness, but in the behind that bright achievement obtains, there is also some The problem of another people's worry, such as due to the synthesis of the factors such as overload transport, construction management, late maintaining and volume of traffic rapid growth It influences, in the time that asphalt concrete pavement is not grown after being open to traffic, there have been the early stage such as track, crack, frost boiling, passage is broken It is bad, and the Common Diseases such as crack, plate broken, faulting of slab ends, purt mud, depression and Seam failure then occur existing for cement concrete pavement As such as being repaired and being administered not in time of, these diseases, then caused by result will is that road surface breakage degree is on the rise, The service level of highway and it is open to traffic quality and traffic safety is received and seriously affected.But if using traditional method for maintaining, Not only cost is high, and the influence to traffic is big, and highway subgrade pavement detection device also falls behind relatively, that is, the maintenance lagged Technology and equipment is uncoordinated with producing between the highway construction grown rapidly, in this background, ring hydrotechnics institute, Zhengzhou University Under the leading of Wang Fuming president, on the basis of studying for many years, take the lead in being proposed foundation in Non-destructive testing equipment base High polymer grouting rapid servicing technology on plinth, with science and technology development and environmental consciousness enhancing, this technology with pair The advantages that environment influence is small, and applied widely, seepage capability is strong, and reinforcing speed is fast has achieved more in highway maintenance maintenance Successful application example.

The common performance of material property, that is, material, be construction engineering test and safety evaluation important content and substantially according to According to.Have only grasp material common performance, can just make materials'use it is more environmentally friendly, closer to reality, be more convenient for constructing and reaching pre- The effect of phase just can make construction quality and application purpose be guaranteed, and can preferably be project construction service and guarantee The in-depth of product variety and material property is studied, and the new product for largely meeting environmental protection, safety and health type can be just produced.Gao Ju The great advantage of object, which is that when its two kinds of components react, can generate huge expansive force.The power on the one hand can be in height Pore water most under basis is squeezed out into earth's surface when polymers slip casting, accelerates the consolidation of foundation soil body, while there is no to ground Base increases great additional stress, avoids the further deterioration of base state；On the other hand under upward expansive force effect, It can be lifted the relative settlement of works above basis, such as the relative settlement of pavement of road or airport surface layer, construction wall, and The crack for filling the overwhelming majority can mitigate to a certain extent or eliminate the influence that basis is again confronted with water damage, extend base The service life of Infrastructure, the research to high polymer expansion characteristics are essential a part.

Summary of the invention

The present invention provides the experimental rig and test method of high polymer free wxpansion cubing, can measure high polymer and exist Temperature change in air in the volume and expansion process of free wxpansion, while high polymer is also capable of measuring in expansion stage of ripeness Mo Volume contraction phenomenon caused by phase provides a kind of more complete equipment for the research of high polymer free wxpansion characteristic, and gained is surveyed Test result the research of installation security protection high polymer grouting reparation can provide foundation based on.

The object of the present invention is achieved in the following manner: a kind of experimental rig of high polymer free wxpansion cubing, Including test cabin and measurement storehouse, test cabin is connected to measurement storehouse；Test cabin be equipped with temperature measuring equipment, test cabin be additionally provided with casting head and Drain tap (6)；It is equipped in measurement storehouse and measurement storehouse is divided into measurement storehouse A and measures the demarcation plate of storehouse B, measure storehouse A and measurement Storehouse B is only connected in lower end, to measure storehouse A and measurement storehouse B formation linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B is logical It crosses measurement storehouse A to be connected to test cabin, is respectively equipped with observation window on measurement storehouse A and measurement storehouse B, observation window is equipped with scale； It is open or equipped with can be with the valve of extraneous connection to measure the upper end storehouse B.

Observation window is started setting up from the bottom of measurement storehouse A and measurement storehouse B, and scale also from measurement storehouse A and measures storehouse B's Bottom starts setting up.

Demarcation plate divides measurement storehouse equally from center, and the volume of measurement storehouse A and measurement storehouse B in identical height is identical, preferably, surveys Measuring storehouse B has higher height than measurement storehouse A.

Test cabin is connected with observation storehouse A by interface channel, and interface channel is separately connected test cabin and observes the upper of storehouse A End.

Filter screen is equipped in interface channel.

Temperature measuring equipment is temperature sensor or thermometer, and temperature measuring equipment connects data acquisition device.

Test cabin includes test cabin upper plate, test cabin warehouse, test cabin lower bottom base, test cabin lower bottom base and test cabin storehouse Body is connected by screw bolt and nut, and sealing ring is arranged in the junction of test cabin warehouse and test cabin lower bottom base, test cabin upper plate.

It measures and is equipped with measurement storehouse lower bottom base below storehouse, test cabin lower bottom base and measurement storehouse lower bottom base are provided with supporting leg, try Testing position lower bottom base is identical with measurement storehouse sub-mount heights.

The test method of the high polymer free wxpansion cubing,

(1) drain tap is opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to measurement storehouse Interior water filling measures water level in the A of storehouse and is higher than under the measurement lower end storehouse A and measurement storehouse B lower than the measurement upper end storehouse A and test cabin connectivity part Hold connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap after slip casting；

(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device Get off；

(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear Reason.

The test method of the high polymer free wxpansion cubing, first installation experimental test fills before the test is conducted Set with installation data acquisition system,

Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base；

Installation data acquisition system connects data collector and temperature measuring equipment.

The invention has the benefit that

(1) volume change for the measurement high polymer free wxpansion that the present apparatus can be visual and clear, and it is final to measure high polymer Swelling volume.

(2) present apparatus can measure temperature of high polymer during free wxpansion with the changing rule of volume.

(3) present apparatus can measure high polymer in the size of the volume contraction in expansion latter stage in the stage of ripeness.

Detailed description of the invention

Fig. 1 is the schematic illustration of experimental rig of the present invention；

Fig. 2 is the stereoscopic schematic diagram of experimental rig of the present invention；

Fig. 3 is the structural schematic diagram of test measurement device；

Fig. 4 is the upper plate schematic diagram of test measurement device；

Fig. 5 is the test cabin lower bottom base schematic diagram of test measurement device；

Fig. 6 is the measurement storehouse lower bottom base schematic diagram of test measurement device；

Fig. 7 is the warehouse schematic diagram of test measurement device.

Wherein: 15- test cabin；1- test cabin upper plate；2 test cabin warehouses；3- test cabin lower bottom base；4- measures storehouse；40- Measure storehouse lower bottom base；41- measures storehouse A；42- measures storehouse B；43- demarcation plate；5- thermometer；6- drain tap；7- water discharging valve； 8- observation window；9- bolt；10- nut；11- data acquisition device；12- sealing ring；13- casting head；14- scale.

Specific embodiment

As shown in Fig. 1-Fig. 7, a kind of experimental rig of high polymer free wxpansion cubing, including test cabin 15 and measurement Storehouse 4, test cabin are connected to measurement storehouse 4；Test cabin 15 is equipped with temperature measuring equipment 5, and test cabin 15 is additionally provided with casting head 13 and exhaust valve Door 6；It is equipped in measurement storehouse 2 and measurement storehouse is divided into measurement storehouse A41 and measures the demarcation plate 43 of storehouse B42, measurement storehouse A and measurement storehouse B is only connected in lower end, to measure storehouse A and measurement storehouse B formation linker；Measurement storehouse A is connected to test cabin A, and measurement storehouse B passes through Measurement storehouse A is connected to test cabin, is respectively equipped with observation window 8 on measurement storehouse A and measurement storehouse B, observation window 8 is equipped with scale 14；It is open or equipped with can be with the valve 7 of extraneous connection to measure the upper end storehouse B.High polymer test cabin expand, squeeze air into Enter to measure storehouse A, measurement storehouse A is caused and measure storehouse B liquid level scale to change, to measure high polymer swelling volume.

Observation window 8 is started setting up from the bottom of measurement storehouse A and measurement storehouse B, and scale is also from measurement storehouse A and measurement storehouse B Bottom start setting up, facilitate observation and reading.

Demarcation plate 43 divides measurement storehouse, the volume phase of measurement storehouse A and measurement storehouse B in identical height equally from measurement storehouse center Together, preferably, measurement storehouse B than measurement storehouse A have higher height because test when test cabin in air extrusion into measure storehouse A, Measurement storehouse B can then be entered by measuring the water in the A of storehouse, to facilitate experimental observation.

Test cabin is connected with observation storehouse A by interface channel, and interface channel is separately connected test cabin and observes the upper of storehouse A End.

Filter screen is equipped in interface channel, the slurries after reducing high polymer expansion enter measurement storehouse.

Temperature measuring equipment 5 is temperature sensor or thermometer, and temperature measuring equipment connects data acquisition device 11.Data acquisition device It can be temperature data acquisition device.Facilitate the temperature change of record high polymer during the reaction.

Test cabin 15 includes test cabin upper plate 1, test cabin warehouse 2, test cabin lower bottom base 3, test cabin lower bottom base 3 and examination Testing position warehouse 2 is connected by bolt 9 and nut 10, the connection of test cabin warehouse 2 and test cabin lower bottom base 3, test cabin upper plate 1 Place's setting sealing ring 12, increases the leakproofness of test cabin.

Drain tap 6 is located at test cabin upper plate 1, and casting head 13 is located at test cabin lower bottom base 3.

It measures and is equipped with measurement storehouse lower bottom base 40 below storehouse 4, test cabin lower bottom base 3 and measurement storehouse lower bottom base 40 are provided with support Leg, test cabin lower bottom base 3 are identical with measurement storehouse lower bottom base 40 preferably height.

Poor for convenience of reading measurement storehouse A and measurement storehouse B liquid level, the scale middle part measured on the A of storehouse is 0 scale, is negative downwards Scale is incremented by, and the scale that is positive upwards is incremented by；0 scale measured on the B of storehouse is corresponding with 0 scale on measurement storehouse A, and be negative downwards scale It is incremented by, the scale that is positive upwards is incremented by.

The test method of the high polymer free wxpansion cubing,

(1) drain tap (6) are opened, makes to measure the upper end storehouse B and extraneous connection, from measuring from the upper end storehouse B is in communication with the outside to survey It measures in storehouse and fills the water, measure water level in the A of storehouse and be higher than the measurement lower end storehouse A and measurement storehouse lower than the measurement upper end storehouse A and test cabin connectivity part The lower end B connectivity part；Then slip casting is carried out to test cabin by casting head, closes drain tap (6) after slip casting, continues to keep Measure the upper end storehouse B and extraneous connection；

(2) high polymer expands rapidly in test cabin, since the extruding of air causes measurement storehouse A and measurement storehouse B liquid level poor, passes through Observation window is read, and every 10 seconds do primary record；Temperature change in reaction process is acquired by data acquisition device Get off；

(3) off-test after measuring storehouse A and the not reflation variation of measurement storehouse B liquid level difference, dismantles experiment test device, and clear Reason.

During test data sheet otherwise liquid level will reform test no more than meter full scale.

The test method of the high polymer free wxpansion cubing, first installation experimental test fills before the test is conducted Set with installation data acquisition system,

Installation experiment test device: test cabin warehouse, test cabin upper plate and test cabin are connected by screw bolt and nut and gone to the bottom Seat, while placing sealing ring and increasing leakproofness；Measurement storehouse is placed on measurement storehouse lower bottom base.

Installation data acquisition system connects data collector and temperature measuring equipment.

What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art, Without depart from that overall concept of the invention, several changes and improvements can also be made, these also should be considered as of the invention Protection scope.