Compared with the drill and blast method, TBM tunnelling has significant advantages with high construction efficiency, low project cost, conducive to environmental protection, favorable stability contr.
[pdf] Drilling precise holes in reinforced concrete, bricks, or standard concrete demands specialized equipment. Thus, a diamond core drill is the ideal tool for these challenging jobs. Here's a clear, step-by-step guide on achieving perfect holes every time using diamond core drill bits.
[pdf] SLB (formerly Schlumberger) has topped our list this year as it continues to secure a pipeline of contract awards with customers announcing new projects and the expansion of existing developments glob.
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