Buckling Resistance Tester for Thermoplastic Manhole
Thane - December 6, 2017, 6:30 pm
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This device is designed to derive the resistance value when plastic manhole is buried underground and exposed to the pressure of underground water.
JJRBT-1 series buckling resistance tester is used to simulate the conditions when manhole is buried underground and check its resistance to the force of underground water.
Seal and vaccumize the sample between 200C~250C, keep the internal negative pressure stable for more than 1000h, measure the deformation of the slow channel side and bottom, then extrapolate the deformation occurred after 50 years by the least square method.
Manhole Mechanical tester is designed to determine the performance, shear strength and coaxial load performance of manhole chamber, wall, and base.
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This device measures the impact performance of manhole base and manhole walls. The impact is caused by free falling weight to the center of the slow channel in the manhole base.
JJICI manhole impact...
The static constant loading tester is designed to determine the resistance to an axial static constant load of the plastic manhole. At the end of the test, the sample appearance determines the deforma...