WBM’s Manual Wedge Coupler enables quick changes between attachments that are WBM quick coupler lugged on machine models within the same weight class.

The WBM Excavator Hydraulic Wedge Coupler incorporates enhanced safety systems, positive release performance and engineered lifting capabilities. Equipped with safety cover on switch, audible alarm and warning light.

It includes results of sieve analysis tests on aggregates to check gradation according to specification. It also details bitumen content tests to determine percentage of bitumen in bituminous mixes. Further, it summarizes results of tack coat and prime coat application rate tests to check if the application rates conform to specifications.

The document is the third revision of the Indian Roads Congress Standard Specifications and Code of Practice for Water Bound Macadam from 2005. It contains specifications for constructing water bound macadam roads, including materials, construction procedures, surface evenness requirements, and maintenance guidelines.

Wet Mix Macadam (WMM) construction is an improvement upon the conventional WBM and is intended to be as an alternative and more durable pavement layer. Wet Mix Macadam is a sub-base/base course of the pavement wherein clean, crushed graded

Oct 12, 2004 · Water Bound Macadam (WBM) shall consist of clean, crushed coarse aggregates mechanically interlocked by rolling, and voids thereof filled with screening and binding material with the assistance of water, laid on a prepared subgrade, sub-base, base or existing pavement as the case may be.

QA/QC manual and will not reduce the requirements stipulated in the Manual. The various tests stipulated below will be conducted on the following frequencies and the test report format and other details will be

View our used WBM 20" QC Coupler, fits WBM 250 series, pin measurements: 90 or 100mm pins, 19" pin centers, 16 3/8" between bushings, 31221 for Sale.

It discusses establishing a quality management system including scheduling, procurement and testing of materials. It provides testing requirements and procedures for general civil works, infrastructure like roads, water supply and sewerage systems.

QC： Quality Control，品质控制，产品的质量检验，发现质量问题后的分析、改善和不合格品控制相关人员的总称。 一般包括： IQC （Incoming Quality Control）意思是来料的质量控制，简称来料控制。 IPQC （In Put Process Quality Control）中文意思为制程控制，指产品从物料投入生产到产品最终包装过程的品质控制。 FQC （Finish or Final Quality Control）成品质量检验。 OQC （Out Quality control）成品出厂检验。 DQC （Design Quality Control）设计品质控制。 MQC …