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Aluminum-core Spring Float Collar and Shoe Machine Type Drilling Tool Material Iron Processing Type Forging Use Well Drilling Certification API Product name Aluminum-core Spring Float Collar and Shoe size 4-1/2" to 20" Material Alloy ...
Aluminum-Core Spring Float Collar and Shoe Use Well Drilling Working Pressure 21MPa-35MPa Application Oil and Water Well Cementing Tools Float Shoe Length 416mm-515mm Float Collar Length 320mm-350mm Transport Package Wooden Box Package Specification 4-1/2" to ...
2. Guide Drills: Art No. Dia. Length RTGD1601 8 110 3. Type of Connecting Rod For Hammer Core Drill: Type of Connecting Rod For Hammer Core Drills Art No. Length RTSS1601 100 Other long type size can be customized. Art No....
A robotic system to guide the drill trajectory might help to reduce screw placement errors and procedure time by reducing the number of passes and confirmatory fluoroscopic images needed to verify accurate positioning of the drill guide along a planned trajectory. Therefore, with the long-term goals...
Core-drilling inspection method for cement-soil pile could effectively reflect the quality of pile body,especially for inspection of pile length,pile core ... YU Xue-Ping,J Kong - 《Architecture Technology》 被引量: 0发表: 2014年 SOIL CEMENT SHIELDING DEVICE, PILE FOUNDATION AND PILE FOUNDATION...
The core samples of soils treated with chemical grouting indicated that the soil-cement mixture is usually broken. Eq. (3) has used a reduced magnitude to address the breakage and crack of soil-cement mixture and no further reduction is needed when using the elastic modulus for numerical ...
Plug is drill-able. Non rotating design save the drill out time. Sizes ranging from 4-1/2" to 20" Technical parameter of the cementing rubber plug-non rotating type: 1. Covering material: Nitrite rubber 2. Temperature of operation: 20C~120C 3. Core: Phenolic mat...
According to designs the position by the construction to drill 2-4 drill hole, was determining the original foundation holds the strength level whether is located the bedrock, if to takes for the bedrock holds the strength level core sample testimony sample to deliver examines the definite support...
1Introduction Over the past decade, extensive research has been carried out on the utilization of recycled concrete aggregates (RCA) and the effect of their properties on the physical and mechanical properties, durability and structural behaviour of new concrete. The variations in physical and chemica...