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湖北武汉 (2024年)

  • 2026-08-31 04:52:12
湖北武汉 (2024年)

 1.导爆索起爆网路的构成,连结方式和方法?

构成:由起爆元件(雷管)、传爆元件(导爆索,含主干索、支干索、引入炮孔/药室的引爆索)组成。连结方式:搭接、水手结、T 形结、扭接。连结方法:搭接长度≥15cm,用胶布/绳捆扎牢固,支线与主线传爆方向夹角≤90°;从爆区最远段向起爆点后退连接,避免打结、交叉(交叉时设≥10cm木质垫块);起爆雷管捆扎在导爆索末端15cm处,聚能穴朝向传爆方向。

2.楔形掏槽和直孔掏槽的优点和缺点?

楔形掏槽:优点是掏槽腔体积大、爆破效率高,炮孔数量少;缺点是钻孔精度要求高(需控制倾斜角度),受断面限制(适用于>4㎡断面),爆破振动大、个别飞石远。直孔掏槽:优点是钻孔简单(炮孔平行)、适应性强(小断面/硬岩均适用),爆破振动小;缺点是掏槽腔体积小、效率低,需设置空眼(作自由面),炮孔数量较多。

3.水下爆破和陆地爆破有什么特点?

水下爆破:需选用防水器材(防水炸药、抗水导爆索),受水压影响(水深增大会降低炸药爆速);爆破冲击波易影响水体环境(需防护水产资源),起爆网路需具备抗水、抗水流冲击能力。陆地爆破:环境条件简单,器材选择范围广;重点控制飞石、振动及有毒气体扩散,通风排水易处理,爆破参数设计更灵活。

4.爆破施工中如何确保填塞质量?

选用合格填塞材料,优先用黏土炮泥或水炮泥,禁止用石块、易燃物;填塞长度按硬岩取炮孔直径15-20倍、软岩20-30倍,且不小于最小抵抗线;采用分层捣实方式填塞,确保密实无松动,避免出现空洞;炮孔口无破损,防止填塞物泄漏,填塞后检查孔口稳定性。

5.露天深孔台阶爆破中出现堵孔,为什么不能用金属长杆捣通?

金属长杆易产生静电或传导杂散电流,可能引爆孔内炸药;捣通时易撞击孔内起爆器材(如雷管),引发早爆事故;会破坏炮孔壁完整性,改变装药结构,导致拒爆或飞石超标;金属杆若断裂残留孔内,还会影响后续爆破效果。

6.低爆速炸药的成分和特点。

成分:主要含氧化剂(如硝酸铵)、高比例可燃剂(如柴油、石蜡),少量敏化剂(如木粉),不含高爆速猛炸药(如黑索金)。特点:爆速低(通常<3000m/s)、爆力和猛度小,破坏范围可控;安全性高,不易产生飞石,适用于松动爆破、预裂爆破等对破坏程度要求低的场景。

7.地质勘查的目的和要求?

目的:查明爆区岩性(如坚固性系数f)、地质构造(裂隙、断层分布)、水文条件(地下水含量)及周边保护物情况,为爆破方案设计(参数、器材选择)提供依据。要求:勘查范围覆盖爆区及周边300m内区域;数据需现场实测(如岩样采集、断层定位),确保准确;提交报告含岩性分布图、地质构造图及水文说明,满足爆破安全设计需求。

8.楼房爆破拆除的爆破切口如何设计?

切口位置选底层或指定倒塌方向的承重结构(如立柱、承重墙);形状按倒塌方式设计(定向倒塌用梯形切口,折叠倒塌用多段梯形切口);高度取承重构件厚度的3-5倍(如砖墙切口高=3-5×壁厚);长度覆盖倒塌方向70%-80%的结构宽度,确保结构失稳;钢筋混凝土构件需在切口处切断钢筋,炮孔均匀布置于承重部位。

9.违反《民用爆炸物品安全管理条例》有关规定,未经许可购买、运输民用爆炸物品或者从事爆破作业的,应承担什么法律责任?

行政责任:责令停止违法行为,没收民用爆炸物品及违法所得,并处10万-50万元罚款;刑事责任:情节严重(如非法买卖/运输数量大、造成安全事故)的,构成非法买卖、运输爆炸物罪,处3年以上10年以下有期徒刑,情节特别严重的处10年以上有期徒刑、无期徒刑或死刑;民事责任:造成他人人身伤害或财产损失的,依法承担赔偿责任。

感谢大连经济技术开发区金源爆破工程有限公司 徐工

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  140. /wwwdata/wwwroot/f.460.net.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.004051s ] mysql:host=127.0.0.1;port=3306;dbname=f460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.002273s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003609s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000845s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001457s ]
  6. SELECT * FROM `set` [ RunTime:0.002352s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001381s ]
  8. SELECT * FROM `article` WHERE `id` = 461689 LIMIT 1 [ RunTime:0.000420s ]
  9. UPDATE `article` SET `lasttime` = 1789032932 WHERE `id` = 461689 [ RunTime:0.002910s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000819s ]
  11. SELECT * FROM `article` WHERE `id` < 461689 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000721s ]
  12. SELECT * FROM `article` WHERE `id` > 461689 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000473s ]
  13. SELECT * FROM `article` WHERE `id` < 461689 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001175s ]
  14. SELECT * FROM `article` WHERE `id` < 461689 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000523s ]
  15. SELECT * FROM `article` WHERE `id` < 461689 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.003816s ]
0.077204s