Lower embedding type concrete component intensity Indirect testing device
Technical field
The utility model is related to urban infrastructure construction fields, and in particular to a kind of lower embedding type concrete component intensity
Indirect testing device.
Background technology
Lower embedding type concrete structure mainly includes Underground Culvert, underground conservation pool etc..These concrete structures are located for a long time
Under the harsh environment of a variety of physics, chemistry and biological corrosion source, weathering Erosion easily gradually occurs for concrete, to reduce coagulation
The intensity of soil, it is therefore necessary to which the intensity of lower embedding type concrete structure is periodically detected.
Currently, when carrying out the detection of lower embedding type concrete component intensity, it is common practice that open plate top earthing large area
It digs, testing staff carries out intensity detection work on the exposed concrete slab surface of large area.It needs to backfill after test, it is time-consuming, take
It is power, of high cost, while can also have a degree of destruction to urban environment.
Utility model content
The purpose of this utility model is to provide the devices that a kind of lower embedding type concrete component intensity carries out Indirect testing
And method, while reaching testing goal, mitigate the labor intensity of intensity detection work, ecological environment is broken when mitigating detection
It is bad.
The utility model takes following technical scheme:
A kind of Indirect testing device of lower embedding type concrete component intensity, including supporting rod 10, spring 11, supporting rod
Casing 7, reisilometer 1, fixture 2;The support rod bush 7 is sleeved on outside supporting rod 10, and support rod bush 7 is laterally across fixture 2
It is fixedly connected with reisilometer 1, reisilometer 1 is arranged in parallel with support rod bush 7;Spring 11, which is arranged, to be installed on outside supporting rod 10,
And positioned at the lower section of fixture 2;Support rod bush 7 can drive 1 around rod of reisilometer to rotate, and radius of turn is less than from ground to coagulation
The radius of the instrument connection of native component.
Further, further include tripod 9, the tripod is fixed on outside support rod bush 7, and is supported on level ground
On.
Further, handle 8 is also fixedly installed outside the support rod bush 7.
Further, further include guide sleeve 5, the guide sleeve 5, which is fixed on, to be supported outside rod bush 7, reisilometer 1
Portion in the inner, 5 outer diameter of guide sleeve are equal to or slightly less than the open pore size that concrete surface is buried on ground under.
Further, dial 6 is also arranged outside the support rod bush 7,6 outer diameter of dial is more than guide sleeve 5,
And the upper end that the trepanning of concrete surface is buried on ground under can be covered in.
Further, 5 bottom of the guide sleeve is equipped with antipriming 12.
Further, the fixture 2 is connect by nut 3 and a pair of of screw rod 4 with support rod bush 7, and rotating nut 3 can
Adjust the radius of 1 around rod of reisilometer rotation.
A kind of application method of the Indirect testing device of above-mentioned lower embedding type concrete component intensity, including following step
Suddenly:
S1, circular hole is formed on the ground, until lower embedding type concrete component upper surface;
S2, the lower embedding type concrete component intensity Indirect testing device is inserted into the circular hole;
S3,11 elastic force of spring is overcome to press down on handle 8, reisilometer 1 carries out intensity detection;
S4, the position that the change fixture 2 of rod bush 7 is supported by rotation and/or change fixture 2 and the spacing of supporting rod 10 are surveyed
Measure multiple measuring points.
Further, in step S4, the quantity of the measuring point is at least 16.
Further, in institute step S4, the reisilometer 1 is with the functional unit for storing detection data or with transmission
The functional unit of detection data.
The beneficial effects of the utility model are:
1) lower embedding type concrete component intensity Indirect testing device need to only be examined soil body part pore-forming in implementation process
Survey simple, excavated without large area, to avoid detection risk and engineering cost can be reduced, at the same the influence to ecological environment compared with
It is small;
2) detection hole can retain, and repeatedly use, and restore original appearance without earthing, be conducive to long-time periodic detection,
Further decrease the workload of detection;
Description of the drawings
Fig. 1 is the front view of the utility model lower embedding type concrete component intensity Indirect testing device.
Fig. 2 is schematic diagram when the utility model lower embedding type concrete component intensity Indirect testing device is detected.
Fig. 3 is schematic diagram of the reisilometer by screw rod and nut and supporting rod casing connection, can be adjusted by rotating nut
The distance between reisilometer and support rod bush are saved, and then adjusts the radius of reisilometer around rod rotation.
In figure, 1. reisilometers, 2. fixtures, 3. nuts, 4. screw rods, 5. guide sleeves, 6. dials, 7. support rod bush,
8. handle, 9. tripods, 10. supporting rods, 11. springs, 12. antiprimings, 13. soil layers, 14. lower embedding type concrete components.
Specific implementation mode
The utility model is further illustrated in the following with reference to the drawings and specific embodiments.
Referring to Fig. 1-Fig. 3, a kind of lower embedding type concrete component intensity Indirect testing device, including supporting rod 10, spring
11, rod bush 7, reisilometer 1, fixture 2 are supported;The support rod bush 7 is sleeved on outside supporting rod 10, and support rod bush 7 is laterally
It is fixedly connected with reisilometer 1 by fixture 2, reisilometer 1 is arranged in parallel with support rod bush 7;Spring 11, which is arranged, is installed on support
Outside bar 10, and positioned at the lower section of fixture 2;Support rod bush 7 can drive 1 around rod of reisilometer rotate, radius of turn be less than from
Ground to the aperture of the circular hole of concrete component.
Further include tripod 9, the tripod is fixed on outside support rod bush 7, and is supported on flatly referring to Fig. 1-Fig. 2
On face.
Referring to Fig. 1-Fig. 2, handle 8 is also fixedly installed outside the support rod bush 7.
Further include guide sleeve 5 referring to Fig. 2, the guide sleeve 5 is fixed on outside support rod bush 7, reisilometer 1
Portion in the inner, 5 outer diameter of guide sleeve are equal to or slightly less than the open pore size that concrete surface is buried on ground under.
Referring to Fig. 2, dial 6 is also arranged outside the support rod bush 7,6 outer diameter of dial is more than guide sleeve 5, and
The upper end that the trepanning of concrete surface is buried on ground under can be covered in.
Referring to Fig. 2,5 bottom of the guide sleeve is equipped with antipriming 12.
Referring to Fig. 3, the fixture 2 is connect by nut 3 and a pair of of screw rod 4 with support rod bush 7, and rotating nut 3 can
Adjust the radius of 1 around rod of reisilometer rotation.
Reisilometer 1 is digital display integral reisilometer.
When it is implemented, being divided into following steps:
Step 1:An aperture is drilled out or dug out on the ground using microdrill or Luoyang Spade;
Step 2:Guide sleeve 5 is inserted into aperture, sleeve bottom is equipped with antipriming 12, and with concrete component table
Face is in close contact;
Step 3:Extra soil and water in casing are removed, the smooth drying of surface of concrete structure is kept;
Step 4:Digital display integral reisilometer 1 is fixed on control device, and keeps the spacing of the two minimum, is then reached and is led
To 5 bottom of casing so that supporting rod 10 is placed on concrete component, and on the center of circle of casing 5;
Step 5:Support rod bush 7, which is rotated, by control handle 8 angularly plays 8 rebounds;
Step 6:Measuring instrument is entirely proposed from hole, the spacing of adjustment digital display integral reisilometer 1 and control device,
So that the spacing of the two is maximum, then stretches into hole again, step 5 is copied to continue to play 8 rebounds;
Step 7:By 16 rebound values measured, according to the concrete strength in proper calculation concrete survey area.
The utility model is in implementation process without all excavating lower embedding type concrete component earthing, it is only necessary to the soil body
Local pore-forming, detection is simple, saves a large amount of manpower and financial resources.It is also beneficial to the protection of ecological environment simultaneously.The inspection of formation
Gaging hole is after one-time detection, ordinary circumstance, need not be backfilled, and a pipe cap need to be only added on casing, can be repeated several times
It uses, it is convenient periodically to carry out concrete strength inspection.
It is the preferred embodiment of the utility model above, those of ordinary skill in the art can also carry out respectively on this basis
Kind of transformation improves, and under the premise of not departing from the utility model total design, these transformation or improves and should all belong to this reality
Within the scope of novel be claimed.