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FY-5 Type Rock Lateral Constrained Expansion Test Instrument

The rock lateral constraint expansion testing instrument features a direct-reading dial gauge structure, suitable for testing the axial displacement changes under lateral constraint conditions in various rock expansion tests. It is equipped with a permeable plate, dial gauge, and other testing devices.

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Rocks, gypsum instruments

YS-II Type Rock Free Expansion Rate Testing Instrument

The rock free expansion rate testing instrument is suitable for rocks that are not easily disintegrated when encountering water. This testing instrument features a digital readout dial gauge layout, applicable for various rock expansion tests in an unconfined environment, allowing for testing of displacement changes in all directions. It is equipped with a permeable plate, dial gauge, and other testing devices.

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Rocks, gypsum instruments

YP-II Type Rock Expansion Pressure Testing Instrument

The rock expansion pressure testing instrument features a digital display and manually rotates the screw to apply pressure. It is suitable for expansion pressure tests under constant volume conditions in various types of rock expansion tests, and is equipped with a permeable plate, a dial gauge, and other testing devices.

Key words:

Rocks, gypsum instruments

YTZJ-I Portable Rock Direct Shear Tester

This instrument is a combination product made up of various components. It can perform rock mechanics property tests as well as new types of soil mechanics property tests. The rock direct shear apparatus is developed according to the national industry standards (SLT264-2020) "Test Procedures for Rocks in Water Conservancy and Hydropower Engineering" and (JTG E41-2005) "Test Procedures for Rocks in Highway Engineering." This instrument uses a flat pushing method and is mainly suitable for direct shear tests of rock blocks, structural surfaces (such as joint surfaces, layer surfaces, fissure surfaces, etc.), and the contact surfaces (bonding surfaces) between concrete (or mortar) and rock, as well as shear strength tests of the bonding surfaces between concrete and other materials or overall shear strength tests. The machine has a simple structure, is lightweight, intuitive, easy to maintain, can be used in the field, and provides digital display of test data that is accurate and reliable.

Key words:

Rocks, gypsum instruments

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The company's instrument products include plastic test mold series, press universal machine series, cement series, asphalt and asphalt aggregate series, etc.

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Hejie Town, Xian County, Cangzhou City, Hebei Province

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