An early case in point at Hoover Dam utilized a community of pipes in between vertical concrete placements to flow into cooling water in the course of the curing process to prevent harmful overheating. Related methods are still utilised; depending on quantity with the pour, the concrete blend utilized, and ambient air temperature, the cooling course of action may previous For numerous months once the concrete is positioned. Numerous approaches also are accustomed to pre-awesome the concrete mix in mass concrete structures.[126]

Crushed stone aggregates Wonderful and coarse aggregates make up the bulk of the concrete combination. Sand, organic gravel, and crushed stone are made use of mainly for this reason.

Effectively curing concrete results in increased energy and decrease permeability and avoids cracking in which the surface area dries out prematurely.

concrete The Formal head has resolved that manure is detrimental to concreted or tarmac surfaces. 來自 Hansard archive

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Even so, this stiffness can perform from particular kinds of concrete buildings, notably where by a relatively higher flexing framework is necessary to resist far more Intense forces.

Fashionable concrete is normally prepared as a viscous fluid, to ensure it may be poured into forms. The kinds are containers that define the specified shape.

该例句来自Hansard存档。包含以下议会许可信息开放议会许可v3.0 The proposed creep will be concreted by using a tough surfaced finish. 来自 Hansard archive

Significant-excellent concrete is produced by lowering the Concrete Contractor In Sioux Falls water-cement ratio just as much as possible without sacrificing the workability of fresh new concrete. Normally, using much less water generates a greater quality concrete presented the concrete is thoroughly placed, consolidated and cured.

Would you prefer a concrete driveway or patio with uncovered mixture concrete from a contractor in Hancock, WI?

该例句来自Hansard存档。包含以下议会许可信息开放议会许可v3.0 I prefer that to concreting above the place, with county after county being destroyed by highway setting up. 来自 Hansard archive

historic and social conditions at time and location of its utterance. Từ Cambridge English Corpus One and the identical phrase will occupy a completely distinctive hierarchical location while in the utterance as a concrete

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Concrete blended at The work website. Whilst travelling to The task site the drum is turned at agitating pace (gradual speed). Just after arriving at the job site, the concrete is totally mixed. The drum is then turned for 70 to a Concrete Contractor In Sioux Falls hundred revolutions, or about five minutes, at mixing speed.