pre drilling

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pre drilling

Step 1 Predrilling (超前鑽). ○ Carry out Predrilling at the centre of each bored pile location. ○ Sunk at least 5m into the category of rock specified for founding or ... ,There are times when piles must be pre-drilled, whether due to frozen earth or complex rock and soil conditions. DFI offers a large mobile fleet of air drilling units, ... ,Pre-drilling refers to the drilling of a hole in the workpiece that has a smaller diameter than the screw. Pre-drilling creates space for the screw in the material and ... ,Definition of pre-drilling - The action or practice of drilling in advance; especially the act of drilling a hole beforehand. ,McKinney Drilling's extensive fleet of rotary-style large diameter vertical boring equipment allows us to readily mobilize pre-drilling and piling rigs. ,English[edit]. Verb[edit]. predrilling. present participle of predrill. Adjective[edit]. predrilling (not comparable). Before drilling. Antonyms[edit]. postdrilling. ,Predrilling. Predrilling 1. Predrilling 2. Temporary Works. m003_tbn.jpg (8616 bytes). m006_tbn.jpg (9002 bytes). d040_tbn.jpg (8204 bytes) ...

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pre drilling 相關參考資料
Construction Method and Procedures of Common Pile Types in ... - HKIS

Step 1 Predrilling (超前鑽). ○ Carry out Predrilling at the centre of each bored pile location. ○ Sunk at least 5m into the category of rock specified for founding or ...

https://www.hkis.org.hk

DFI | Pre-Drilling

There are times when piles must be pre-drilled, whether due to frozen earth or complex rock and soil conditions. DFI offers a large mobile fleet of air drilling units, ...

http://www.dfi.ca

Pre-drilling - SPAX International

Pre-drilling refers to the drilling of a hole in the workpiece that has a smaller diameter than the screw. Pre-drilling creates space for the screw in the material and ...

https://www.spax.com

pre-drilling | Definition of pre-drilling in English by Oxford Dictionaries

Definition of pre-drilling - The action or practice of drilling in advance; especially the act of drilling a hole beforehand.

https://en.oxforddictionaries.

Pre-Drilling | McKinney Drilling - McKinney Drilling Company

McKinney Drilling's extensive fleet of rotary-style large diameter vertical boring equipment allows us to readily mobilize pre-drilling and piling rigs.

https://www.mckinneydrilling.c

predrilling - Wiktionary

English[edit]. Verb[edit]. predrilling. present participle of predrill. Adjective[edit]. predrilling (not comparable). Before drilling. Antonyms[edit]. postdrilling.

https://en.wiktionary.org

predrilling site investigation - CIVCAL

Predrilling. Predrilling 1. Predrilling 2. Temporary Works. m003_tbn.jpg (8616 bytes). m006_tbn.jpg (9002 bytes). d040_tbn.jpg (8204 bytes) ...

http://civcal.media.hku.hk