27-K30 Plate Load Tester

Category:

Load Direct Shear Tester

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Features

The K30 plate load tester is suitable for testing the foundation coefficients of coarse and fine-grained soils, compacted subgrades, base courses, etc., is widely used to calculate the deformation

modulus of uniform foundation soils, test the stress and deformation characteristics of the foundation soil, and determine the foundation coefficients of railways, highway subgrades, base courses, etc.

Main technical parameters

Rigid load plate diameter	300mm	Jack loading capacity range	0-10T
Jack stroke	160mm	Bridge span	3000mm
Rated pressure of manual oil pump	60MPa	Stress test range	0-25MPa
Displacement test range	0-10mm	Oil and working environment temperature	Use No. 15 mechanical oil, applicable ambient temperature is 5℃-45℃

Basic structure of K30 plate load tester

The flat load meter is composed of a loading system, a measuring bridge, etc.

1. Loading system:

It is composed of load plate, jack, manual oil pump, high pressure oil pipe, etc. The load diameter is 300mm, and the thickness is 25mm. The jack is engraved with a positioning line. The maximum thrust

of the jack is 10t, the stroke is 160mm, the lifting height of the lifting rod is 100mm, and the rated pressure of the manual oil pump is 60Mpa.

2. Bridge measurement: It is composed of a support, a beam and a dial indicator bracket, etc. The beam can be raised and lowered along the support column to adjust the height.

Fourth, the installation of the plate load tester

1. Fix the beam with the support column, preferably 250mm from the ground. The two supports should be flat, the columns should be on the same straight line, and the height of the beam on the two supports should be the same.

2. Connect the oil pump, pressure gauge, high pressure oil pipe and jack.

3. Insert the two outer beams into the inner beams respectively, and tighten the knobs when they are in place.

4. Put the entire height of the bridge beam on the support column, preferably 300mm from the ground.

5. Connect the pressure gauge and high-pressure tubing

(2) Preparation work:

1. Place the load plate on the test point that has been leveled (preferably spread a thin layer of spun yarn).

2. Drive the truck that cooperates with the test to a certain distance from the test point, this distance should be less than 1 meter, and the rear beam of the truck is located directly above the load plate.

3. Place the jack on the load plate.

4. Install the test bridge so that it is approximately symmetrical to the test point.

5. Rotate the lifting screw of the jack to make it contact with the rear beam of the truck. When the height is not enough, test the extension rod.

6. Install the dial indicator on the dial indicator bracket, and make the dial indicator rod fall vertically to the load measuring point.

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