Concrete elastic modulus tester
The concrete elastic modulus measuring instrument is a new type of product developed by our company and is mainly used to determine the static compressive elastic modulus of concrete prism or cylinder specimens.
.Concrete elastic modulus tester
Instructions:
1
First, adjust the distance between the two cutting edges according to the size of the test piece.
If the test piece size is
100×100
When the nut should be tightened first (
13
) tighten and connect the right connector (
12
) with two
25mm
Long positioning sleeve (
14
) Change the position (ie, connect the connecting plate to the inside of the two positioning sleeves), and then tighten the tightening nut.
If the test piece size is
125×125
When loosening the fastening nut, put the right connection on the two
25mm
Align the middle of the sleeve and tighten the retaining nut.
If the test piece size is
150×150
When the side puts the right connection on the two
25mm
The outer edge of the positioning sleeve can be as shown in the structural diagram.
2
On the left and right bases (
17
)
19
), install the left and right rulers (
2
), (
7
), and tighten the set screws to fix the scale.
3
Adjust the position of the upper knife edge to make the upper and lower knife edges (
6
)
11
) the spacing is equal to the required distance and then tighten the screws (
5
) Tighten.
4
And two metering tables (
1
), (
8
) The left and right numbers are mounted on the left and right bases respectively, and the position is touched.
5
Hold the left and right connecting plates with both hands (
16
)
12
) Evenly compressing the position, such as the spring clamping force is not enough, you can turn the adjusting nut (
twenty one
) Adjust the spring pressure.
6
When measuring the compression deformation, the instrument will fix the screw after clamping the test piece (
9
) Spin down to the bottom of the lower knife edge>
7mm
(Reset after the test, so that the bottom of the lower edge is horizontal)
When measuring the tensile deformation, the side does not need to rotate the positioning screw down, and still keep the bottom surface of the lower blade in a horizontal position.
7
In order to enhance the clamping force of the upper knife edge, it can also pass the hand wheel (
4
)Adjustment
8
The compression amount of the test piece in the gauge length range is calculated by taking the average value of the two table values.
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