进而提出热害矿井主要巷道的合理断面形式和永久支护形式。
And then, the rational form of section and permanent support of primary tunnel in high-temperature mine is put forward.
钻孔咬合桩支护结构施工较方便、施工技术成熟、造价底，适用于作为城市下穿式通道的永久支护结构。
The method has the excellence credible technology, agility economy and advantage construction, which is very suitable to the permanent foundation pit retaining in Bridge of Underpasses.
通过对锚网巷道监测数据的整理和分析，验证了在永久巷道中采用锚网带索联合支护技术是可行的。
The technology of combination of bolting wire mesh and cable anchor has been proved to be workable in permanent roadways, based on analysis of date collected from observations of roadway.
在充分考虑使用年限内的耐久性的情况下，土钉支护可用于永久性支护工程中。
Actually it can be used in the permanent retaining engineering by considering the durability of its working life.
永久洞室的支护方法，多年来一直是松软岩层矿井生产的技术难关。
The supporting of permanent openings has been a difficult problem in production and technique for many years.
通过一定的施工方法，在支护结构保护下完成基坑开挖及永久建筑物施工。
By certain construction method, footing groove excavation and the constructions of permanent structures will be completed under the protection of the supporting structures.
为满足三峡水利枢纽工程边坡支护的需要，特别是永久船闸边坡的支护要求，在三峡工程永久船闸南坡现场进行了无粘结预应力锚索专项试验。
To meet the requirements of slope support for TGP, specially for its permanent lock's high slope, a special test on non cohesive prestressed cable anchor has been performed in situ.
为满足三峡水利枢纽工程边坡支护的需要，特别是永久船闸边坡的支护要求，在三峡工程永久船闸南坡现场进行了无粘结预应力锚索专项试验。
To meet the requirements of slope support for TGP, specially for its permanent lock's high slope, a special test on non cohesive prestressed cable anchor has been performed in situ.
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