CN210294019U

CN210294019U - Cement concrete acid and alkali resistance testing arrangement

Info

Publication number: CN210294019U
Application number: CN201921271031.5U
Authority: CN
Inventors: 张业茂
Original assignee: Jiangsu Bo Cheng Traffic Technology Co ltd
Current assignee: Jiangsu Bo Cheng Traffic Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-04-10
Anticipated expiration: 2029-08-07

Abstract

The utility model discloses a cement concrete acid and alkali resistance capability test device, including the mount, the top rigid coupling of mount has the liquid reserve tank, the inner chamber left and right sides of liquid reserve tank is provided with acid pond and alkaline pond respectively, the top in acid pond and alkaline pond is provided with the inlet pipe, the test box is installed at the top of mount, be connected with first connecting pipe and second connecting pipe between acid pond and alkaline pond and the test box respectively, the right side of test box is connected with the discharging pipe, and the discharging pipe runs through the right side wall of mount, the discharging pipe is connected with the material pump, and the material pump is located the inner chamber top right side of mount. The utility model provides a cement concrete pavement exposes in external acid-base environment for a long time, receives the corruption and the influence of not equidimension, and exists at present and can't adopt the accurate cement concrete acid and alkali resistance of testing of instrument and equipment, and then the problem of aassessment cement concrete pavement engineering quality.

Description

Cement concrete acid and alkali resistance testing arrangement

Technical Field

The utility model relates to a cement concrete acid and alkali resistance technical field specifically is a cement concrete acid and alkali resistance capability test device.

Background

The acid and alkali resistance of the cement concrete is an important parameter and index for evaluating the engineering quality of the cement concrete pavement, and the investigation and analysis of the cement concrete pavement are scientifically carried out, so that the method has important significance for making and implementing a repair scheme of the old cement concrete pavement. The cement concrete pavement slab not only bears the impact, abrasion and repeated bending action of vehicle load for a long time, but also is corroded and influenced by different degrees due to long-term exposure in the external acid-base environment, the structural performance and the service performance of the cement concrete pavement slab are gradually attenuated, most of the damage of the cement concrete pavement slab is firstly expressed as local damage of the pavement slab, such as cracks, holes, pits, concrete local damage near joints, pavement expansion joint damage, corner fracture, surface layer shedding and the like, if the local damage in a small range cannot be timely and effectively repaired, the damage range is further expanded, the damage is further aggravated, more serious damage is finally caused, larger economic loss is caused, reasonable sampling is realized, the acid and alkali resistance of the cement concrete slab is tested by utilizing proper instrument equipment, multiple groups of data are contrastively analyzed, and timely remedial measures are adopted, the further expansion of the cement concrete pavement diseases can be avoided, and the economic loss is reduced, so that a cement concrete acid and alkali resistance testing device is designed.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a cement concrete acid and alkali resistance capability test device solves the cement concrete road surface and exposes for a long time in external acid-base environment, receives the corruption and the influence of different degrees, and exists at present and can't adopt the accurate cement concrete acid and alkali resistance capability that tests of instrument equipment, and then the problem of aassessment cement concrete road surface engineering quality.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a cement concrete acid and alkali resistance capability test device, includes the mount, the top rigid coupling of mount has the liquid reserve tank, the inner chamber left and right sides of liquid reserve tank is provided with acid pond and alkaline pond respectively, the top in acid pond and alkaline pond is provided with the inlet pipe, the test box is installed at the top of mount, be connected with first connecting pipe and second connecting pipe between acid pond and alkaline pond and the test box respectively, the right side of test box is connected with the discharging pipe, and the discharging pipe runs through the right side wall of mount, the discharging pipe is connected with the material pump, and the material pump is located the inner chamber top right side of mount.

According to the cement concrete acid and alkali resistance testing device, the electromagnetic valves are arranged in the inner cavities of the first connecting pipe and the second connecting pipe.

The utility model provides an aforementioned cement concrete acid and alkali resistance capability test device, the test box is including the test under casing, the top of test under casing is covered with the case lid, the center of case lid is inlayed and is had the glass board, the inner chamber of test under casing is provided with test module, test module's top is opened there is the standing groove.

According to the cement concrete acid and alkali resistance testing device, the plurality of groups of placing grooves are arranged, the placing grooves are arranged in an N x M shape, and a distance of 10-15mm is reserved between every two placing grooves.

According to the cement concrete acid and alkali resistance testing device, the sealing gasket is arranged at the joint of the box cover and the testing bottom box.

According to the cement concrete acid and alkali resistance testing device, the left side wall of the testing bottom box is provided with the first feeding hole and the second feeding hole, and the right side wall of the testing bottom box is provided with the discharging hole.

According to the cement concrete acid and alkali resistance testing device, the first feeding hole and the second feeding hole are respectively communicated with the first connecting pipe and the second connecting pipe, and the discharging hole is communicated with the discharging pipe.

The utility model has the advantages that: the utility model has the advantages of reasonable design, put into the standing groove at test module's top with the cement concrete test piece that will prepare, and the quality of every test piece is recorded, then pour into 20% sulphuric acid solution and 20% sodium hydroxide solution respectively through the inlet pipe into the acid pond that the inlet pipe set up respectively to the inner chamber left and right sides of liquid reserve tank, then control first connecting pipe and go up the electromagnetic valve and open, let 20% sulphuric acid solution into the test box through first connecting pipe, soak the test piece into the test solution completely, and the test piece upper surface is 10mm below the test solution liquid level, corrode and soak 48h, after soaking, utilize the pump that the discharging pipe is connected to take out the solution of test box inner chamber, take out and dry surface test solution and weigh again, then detect their flexural strength and compressive strength, see how its intensity changes, change a set of cement concrete test piece again, pour into the test box into through the second connecting pipe 20% sodium hydroxide solution in the alkaline pond again, after the test is completed, the solution is discharged, so that the workers can test the acid and alkali resistance of a plurality of groups of cement concrete test pieces conveniently, the data is more convincing, the problem that the cement concrete pavement is exposed in the external acid and alkali environment for a long time and is corroded and influenced by different degrees is solved, the acid and alkali resistance of the cement concrete can not be accurately tested by adopting instruments and equipment at present, and the engineering quality of the cement concrete pavement can be evaluated.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the test chamber.

In the figure: 1. the device comprises a fixing frame, 2, a liquid storage tank, 3, an acid tank, 4, an alkaline tank, 5, a feeding pipe, 6, a testing box, 601, a testing bottom box, 6011, a first feeding hole, 6012, a second feeding hole, 6013, a discharging hole, 602, a box cover, 603, a glass plate, 604, a testing module, 605, a placing groove, 7, a first connecting pipe, 8, a second connecting pipe, 9, a discharging pipe, 10, a pumping pump, 11, a supporting rod, 12, a supporting seat, 13 and a resiliometer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-2: a cement concrete acid and alkali resistance testing device comprises a fixing frame 1, a liquid storage box 2 is fixedly connected to the top of the fixing frame 1, an acid pool 3 and an alkaline pool 4 are respectively arranged on the left side and the right side of an inner cavity of the liquid storage box 2, feeding pipes 5 are arranged on the tops of the acid pool 3 and the alkaline pool 4, a testing box 6 is installed on the top of the fixing frame 1, the testing box 6 comprises a testing bottom box 601, a box cover 602 is covered on the top of the testing bottom box 601, a sealing gasket is arranged at the joint of the box cover 602 and the testing bottom box 601, a glass plate 603 is embedded in the center of the box cover 602, a testing module 604 is arranged in the inner cavity of the testing bottom box 601, a plurality of placing grooves 605 are arranged on the top of the testing module 604, the placing grooves 605 are arranged in an N x M shape, a distance of 10-15mm is reserved between every two placing grooves 605, a first feeding hole 6011 and a second feeding, the right side wall of the testing bottom box 601 is provided with a discharge hole 6013, a first connecting pipe 7 and a second connecting pipe 8 are respectively connected between the acid tank 3 and the testing box 6, inner cavities of the first connecting pipe 7 and the second connecting pipe 8 are provided with electromagnetic valves, the right side of the testing box 6 is connected with a discharge pipe 9, the discharge pipe 9 penetrates through the right side wall of the fixing frame 1, the first feed hole 6011 and the second feed hole 6012 are respectively communicated with the first connecting pipe 7 and the second connecting pipe 8, the discharge hole 6013 is communicated with the discharge pipe 9, the discharge pipe 9 is connected with a material pumping pump 10, and the material pumping pump 10 is located on the right side of the top of the inner cavity of the fixing frame 1.

To sum up, the utility model discloses when using, put into the standing groove 605 at the top of test module 604 with the cement concrete sample that prepares, the quality of every test piece is recorded, and cover case lid 602, then respectively pour into 20% sulphuric acid solution and 20% sodium hydroxide solution into acid tank 3 and alkaline tank 4 that the inner chamber left and right sides of liquid reserve tank 2 set up through inlet pipe 5, then control solenoid valve on first connecting pipe 7 and open, pass into 20% sulphuric acid solution in test box 6 through first connecting pipe 7, completely soak the test piece to the test solution, and the test piece upper surface is 10mm below the test solution liquid level, corrode and soak 48h, after soaking, utilize the material pump 10 of discharging pipe 9 connection to take out the solution in test box 6 inner chamber, take out the dry surface test solution and weigh once more, then detect their flexural strength and compressive strength, see how its intensity changes, and changing a group of cement concrete test pieces, injecting a 20% sodium hydroxide solution in the alkaline pool into the test box 6 through the second connecting pipe 8, discharging the solution after the test is completed, being convenient for a worker to test the durability of the multiple groups of cement concrete test pieces, having more convincing data, solving the problems that the cement concrete pavement is exposed in the external acid-base environment for a long time and is corroded and influenced by different degrees, and the cement concrete acid-base resistance can not be accurately tested by adopting instrument equipment at present, and further evaluating the engineering quality of the cement concrete pavement.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a cement concrete acid and alkali resistance capability test device, includes mount (1), its characterized in that: the top rigid coupling of mount (1) has liquid reserve tank (2), the inner chamber left and right sides of liquid reserve tank (2) is provided with acid pond (3) and alkaline pond (4) respectively, the top in acid pond (3) and alkaline pond (4) is provided with inlet pipe (5), test box (6) are installed at the top of mount (1), be connected with first connecting pipe (7) and second connecting pipe (8) between acid pond (3) and alkaline pond (4) and test box (6) respectively, the right side of test box (6) is connected with discharging pipe (9), and discharging pipe (9) run through the right side wall of mount (1), discharging pipe (9) are connected with material pump (10), and material pump (10) are located the inner chamber top right side of mount (1).

2. The cement concrete acid and alkali resistance testing device of claim 1, characterized in that: and electromagnetic valves are arranged in the inner cavities of the first connecting pipe (7) and the second connecting pipe (8).

3. The cement concrete acid and alkali resistance testing device of claim 1, characterized in that: the test box (6) comprises a test bottom box (601), a box cover (602) is covered on the top of the test bottom box (601), a glass plate (603) is embedded in the center of the box cover (602), a test module (604) is arranged in an inner cavity of the test bottom box (601), and a placing groove (605) is formed in the top of the test module (604).

4. The cement concrete acid and alkali resistance testing device of claim 3, characterized in that: the placing grooves (605) are arranged in multiple groups, the placing grooves (605) are arranged in an N-M shape, and a distance of 10-15mm is reserved between every two placing grooves (605).

5. The cement concrete acid and alkali resistance testing device of claim 3, characterized in that: and a sealing gasket is arranged at the joint of the box cover (602) and the testing bottom box (601).

6. The cement concrete acid and alkali resistance testing device of claim 3, characterized in that: the left side wall of the testing bottom box (601) is provided with a first feeding hole (6011) and a second feeding hole (6012), and the right side wall of the testing bottom box (601) is provided with a discharging hole (6013).

7. The cement concrete acid and alkali resistance testing device of claim 1, characterized in that: the first feeding hole (6011) and the second feeding hole (6012) are respectively communicated with a first connecting pipe (7) and a second connecting pipe (8), and the discharging hole (6013) is communicated with a discharging pipe (9).