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Jiaobo Announcement:
Jiaobo Technology 2019 New Year's Day holiday announcement
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Blasting vibration monitoring, blasting vibration detection, gun damage dispute coordination, damage detection
Jiaobo Technology 2017 New Year's Day holiday announcement
Jiaobo Technology 2018 Spring Festival holiday announcement
Jiaobo Technology 2017 National Day holiday announcement
Jiaobo Technology 2017 Spring Festival holiday announcement
Sichuan Jiaobo Environmental Testing Co., Ltd. passed CMA certification
Explanation on the renaming of L20 series blasting safety testing equipment
Announcement of Renaming L20 Series Blasting Safety Monitoring Equipment
Jiaobo Technology launches the second generation of new blasting shock wave monitor L20-P
Jiaobo Technology 2016 National Day holiday announcement
Jiaobo Technology 2016 Spring Festival holiday announcement
Sichuan Jiaobo Environmental Testing Co., Ltd. fulfills its social responsibility self-declaration
Announcement to download the full text of "Qualification Conditions and Management Requirements for Blasting Operators"
Jiaobo Technology Announces Announcement of Blasting Vibration Meter L20-V
Announcement of the establishment of a wholly-owned subsidiary Sichuan Jiaobo Environmental Testing Co., Ltd.
Jiaobo Technology 2015 Mid-Autumn Festival, National Day holiday announcement
Announcement of blasting vibrometer analysis software common to WIN10 system
Blasting vibration analysis software upgrades for new blasting safety regulations
Welcome to experience the WeChat public account
L20 blasting vibrometer experience website online
Jiaobo released the second generation wireless network vibration meter L20-N to realize 4G communication, remote monitoring and control
Announcement to download the full version of the latest blasting safety regulations (GB6722-2014)
Notice of the 2015 Spring Festival holiday schedule
Jiaobo Technology 2014 National Day holiday announcement
Jiaobo Technology 2014 Spring Festival holiday announcement
Announcement of the M20 blasting vibrometer
Jiaobo Technology 2013 National Day holiday announcement
Announcement on hardware upgrade of L20 series blasting vibrometer
Company Profile
Jiaobo Technology launches the first set-free blasting shock wave monitor M20-S
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Blasting safety supervision (inspection) test
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Blasting vibrometer L20-S
Blasting vibrometer L20-N
Blasting vibrometer L20-X
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028-87712008
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Address:No. 3, Jiulidi West Road, Jinniu District, Chengdu, Sichuan, China
爆破测振仪L20-N参与巫溪交通大桥拆除爆破振动检测
Time:2017-05-18 Views:
巫溪交通大桥修建于1973年,桥梁类型为悬链线砼双曲拱桥。是巫溪县连接宁厂、白鹿、西宁及陕西省、湖北省的重要交通枢纽。 巫溪交通大桥已经进入“老年”,经过桥梁检测专业机构检测,被评定为四类危桥,存在较大的安全隐患。为确保过往车辆和人民的生命财产安全,根据《中华人民共和国道路交通安全法》、《公路桥梁技术状况评定标准》和《公路桥涵养护规范》规定,大桥将拆除重建,经过充分的前期准备工作,巫溪县对巫溪交通大桥进行排危爆破施工。
本次爆破拆除使用炸药740公斤、1932个爆破孔、2300发雷管,使行分4段延时爆破,飞石控制范围100米,使用交博科技爆破测振仪L20-S型及爆破测振仪L20-N型进行了爆破振动检测。为确保安全,设立大宁河上、下游警界500米,周边房屋警界200米;指挥部下共成立18个警戒小组;从老交通局院坝至城南路、环城路、桥南路、老城菜市场转盘、南门湾路段两侧共22个清场区;龙头山隧道、马莲溪大桥、磷肥厂大桥、宁河大桥、漫滩路便桥等6个交通管制点;同时,还在加工厂河坝、渔渡溪和大宁河便桥设立了三个临时安置点,保证了本次爆破工作的顺利进行。
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