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DLY-4A Direct Shear Testing Apparatus for Coarse-Grained Soils

In accordance with GB/T 50123-2019, “Standard for Geotechnical Test Methods,” the stress-controlled direct shear test is employed and is suitable for shear testing of coarse-grained soils.

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Geotechnical and Soil Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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DLY-4A Direct Shear Testing Apparatus for Coarse-Grained Soils

Description

Product Introduction:

Compliant with GB/T 50123-2019, “Standard for Geotechnical Test Methods,” this apparatus employs the stress-controlled direct shear method and is suitable for shear testing of coarse-grained soils. The instrument comprises three major components: a four‑column loading frame, a hydraulic pump station system, and a microcomputer control system. The loading frame consists of a base, support columns, a crossbeam, vertical loading hydraulic cylinders, horizontal loading hydraulic cylinders, a shear box, ball‑bearing assemblies, guide rails, and other parts.

Technical specifications:

Parameter Category	Parameter value
Cutting box specifications	φ504.6×400 (mm)
Displacement sensor resolution	0.01mm
Vertical load	600kN
Shear load	500kN
Maximum vertical travel	200mm
Maximum horizontal travel	150mm
Displacement accuracy	0.01mm
Pressure sensor	High-precision spoke-type
Power supply	AC 380V 50Hz
Host external dimensions	1400×1700×1500 (mm)
Control system dimensions	1280×600×1000 (mm)
Overall machine weight	2800kg

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

We offer complete lab solutions including asphalt viscosity tester, asphalt rutting tester, geotextile permeability tester, low-temperature flexibility tester and concrete/cement test equipment, covering raw material detection for road, water conservancy and construction engineering projects

Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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DLY-4A Direct Shear Testing Apparatus for Coarse-Grained Soils

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