Many site tests have also proved that the strength of anchor and shotcrete support is much greater than that of conventional in situ concrete lining.
通过多次现场试验也证明：喷锚支护比现浇混凝土的支护能力在相同条件下要大得多。
This method is used to test concrete strength of building structure, so the question of building in-site strength curve is resolved effectively.
将文中方法运用于回弹法检测混凝土强度中，有效解决了现场测强曲线建立问题。
These products are suitable to ormulate commercial concrete with great property and strength (above C30) regardless of using in site or after a long-distant delivery.
可应用在现场搅拌及远距离输送的高性能、高强度 （C30 以上 ） 的耐久性商品混泥土中。
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