猫咪破解版apk


    Shandong Taijie Heavy Industry Machinery Co., Ltd.

    National Sales Consulting: 400 096 5885
    Address: South of Yingbin Road, Industrial Park, Tancheng County, Heze City, Shandong Province Manager: Manager Cao Mobile: 13774966958
    Phone: 0530-6936006
    Fax: 0530-6936007
    After-sales service: 0530-6936009
    E-mail: tq@tianqinkuangji.com

    Location: Home - Company News
    Blasting excavation before construction
    Release time: 2011.03.26 News source: Shandong Taijie Heavy Industry Machinery Co., Ltd. Browse times:
    The use of mechanization before tunnel construction will greatly save time and financial resources. First, the drilling and blasting method will be used for construction. The air gun will be used for drilling. The smooth blasting will use a slag digger to excavate and collect gravel. There are two working faces for the entrance and exit of the horizontal tunnel, and the exit and the flat guide are transported by rail. The battery car pulls the shuttle-type mine car out of the stern; the full-automatic hydraulic lining trolley pumps the stern lining. Construction support adopts anchor, net and spray support, and spray concrete adopts wet spray process. Outside the tunnel, the automatic metering and mixing station is transported by the rail transport vehicle.
    Excavation method using slag picker:
    In order to facilitate the construction of the tunnel, it is convenient to use the slag-grilling machine and special geological construction methods. Grade Ⅱ and Ⅲ surrounding rocks are excavated by smooth blasting and full-section excavation. Grade Ⅳ and Ⅴ surrounding rocks are excavated by the positive step method. The length of the steps is 5m Better. The Grade Ⅳ surrounding rock area is divided into two steps, and the Grade Ⅴ is divided into three steps.
    Use non-electric millisecond detonator micro-blasting. Ⅱ and Ⅲ surrounding rocks are cut with straight eyes, and Ⅳ and Ⅴ surrounding rocks are cut with oblique eyes. Peripheral eyes are filled with small medicines.
    Blasting in the gas area shall not exceed 130ms in the later period; coal mine-specific explosives shall not be used, and ammonium ladder explosives which are hardened or whose moisture content exceeds 0.5% shall not be used. Its blasting equipment, busbar, gun mud composition and block length, blasting direction, blasting network are specially designed. After the blasting was successful, the debris was cleaned at the site using a slag picker.
    Shandong Taijie Heavy Industry Co., Ltd. Company Address: South of Yingbin Road, Industrial Park, Yuncheng County, Heze City, Shandong Province
    Phone: 0530-6936006 Fax: 0530-6936007
    After-sales service: 0530-6936009 E-mail: tq@tianqinkuangji.com
    Recording: Lu ICP No. 18053296-1
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