Plate load tester installation and commissioning method - Database & Sql Blog Articles

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product name

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K

-

30

Plate load tester

It is applicable to the test of the foundation coefficient of roadbed, base layer, etc. after coarse, fine-grained soil and soil compaction. It can also be used to calculate the deformation modulus of uniform foundation soil.

Plate load tester

The main technical parameters:

1

, load plate diameter:

300mm
2

, Jack loading capacity range:

0

~

30T
3

Thousand strokes:

120mm
4

Bridge span:

3000mm
5

, manual oil pump rated pressure:

70Mpa
6

, stress test range:

0

~

40Mpa
7

, displacement test range:

0

~

10mm

Plate load tester

Installation and commissioning

1

Fix the beam with the support column to the ground

250mm

Preferably, the two supports should be laid flat, the columns should be on the same line, and the height of the beams on the two supports should be the same.

2

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

3

Then insert the two outer beams into the inner beam separately, and tighten the knob when it is in place.

4

And the height of the entire bridge beam is on the support column to the ground

300mm

It is appropriate.

5

Connect the pressure gauge and high pressure oil pipe

Method of operation

1.

Place the load plate on the leveled test point.

2.

Open the truck with the test to a certain distance from the test point, the distance should not be less than

1m

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 bridge so that it is approximately symmetrical with the test point.

5.

Turn the lifting screw of the jack to make contact with the rear beam of the truck. When the height is not enough, use the extension rod.

6.

Install the dial indicator on the dial indicator bracket and place the dial side rails vertically down to the load board point.

7.

In order to stabilize the load plate, first load a certain load (

0.01Mpa

Then, remove and read the reading of the dial gauge as the starting reading of the sinking amount.

8.

Then

0.04 Mpa

As a load increment, graded loading. After the load sinking amount is terminated, the load strength and the sinking amount are read and recorded.

9.

when

Plate loader

The load strength exceeds the estimated actual maximum contact force at the site, or the test is stopped when the ground yield point is reached.

Precautions

1

The pressure gauge should be kept clean. Do not pull or impact the dial gauge. The part of the pole should not be dusty and oily. When the gauge is not in use, cover the plastic cover and place it in a dry place. Lee crack resistance. Moisture proof

2

The hydraulic oil of the oil pump should be replenished regularly.

10

No. Engine oil, the position of the oil hole is at the end of the cylinder, and the oil storage is

1

Rise.

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