The blasting damage and fracture process of rock is complicated dynamic evolvement process.
岩石爆破损伤断裂过程是一个复杂的动态演化过程。
The old and the new safety regulations for blasting are compared and the blasting damage criteria is analyzed.
对比了旧、新爆破安全规程并分析了其中的缺陷，对爆破破坏判据进行了讨论。
So the blasting damage effect should be sufficiently thought during stability evaluation and support design of wall rock.
因此在进行围岩稳定性评价及支护设计时，应充分考虑爆破损伤效应的影响。
Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied.
本文基于前人的研究成果，采用岩体损伤、断裂理论的最新研究成果，研究了岩石和层状复合岩体在爆炸应力波和爆生气体作用下的损伤断裂机理。
By use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied.
运用超动态应变测试技术、超声波检测仪对层状复合岩体的爆破损伤破坏机理和破坏过程进行了实验研究。
Blasting induces damage and fragmentation of covering rock mass in subsea tunnel that serious situation might cause tunnel collapse and water burst.
爆破会对海底隧道覆盖岩体造成损伤和破坏，严重情况会引起隧道塌方和突水等事故。
The test results have proved that the compound non-coupling charging structure can reduce the temperature of the working face and the blasting vibration damage on the reserved frozen soil.
试验结果证明，复合不耦合装药结构可以降低工作面温度和减小对周围保留冻土爆破振动的损伤。
At present, in the design and construction of smooth blasting, considering few influence that main blast hole 'first blast damage to rock of smooth blasting parameters.
目前，在光面爆破设计与施工中，均未考虑主爆孔先爆造成光爆层岩石损伤对光面爆破参数的影响。
Considering the relationship of the attenuation of wave and damage energy dissipation, a new rock damage model is developed for rock blasting.
在考虑岩石冲击损伤过程的声波衰减规律及其与能量耗散率关系的基础上，建立新的岩石爆破损伤模型。
The blasting of slope excavation results in the damage of rock mass consequentially.
边坡开挖爆破必然造成边坡岩体的损伤。
The application of ribbon charge (placed in tunnel)in twin slope - cut chamberblasting can weaken the damage to slope rock from blasting.
在双路堑洞室爆破中应用条形药包可以减少爆破对边坡岩体的损伤。
Based on the existing damage model of rock blasting and the theory of rock damage and fracture, a new damage model for rock blasting has been founded.
在分析现有岩石爆破损伤模型和岩石爆破损伤断裂理论的基础上，建立了新的岩石爆破损伤模型。
And with the introduction of the Modulus of Elasticity from Budiansky method, the general damage model of rock blasting is established in the paper.
引入了自洽法有效弹性模量，建立了爆破作用的岩石损伤的全过程模型。
Basen on the criteria of the peak particle velocity(PPV) for blast-induced damage, the design approach for excavation blasting near contour of rock slope is discussed.
基于岩石爆破损伤影响范围控制的质点峰值振动速度判据，就临近岩石边坡开挖轮廓面的爆破开挖设计方法进行了探讨。
Damage criterion of structure by blasting seismic is fixed, and dynamic reliability calculation method of structure by blasting seismic action is obtained.
确定了爆破地震作用下建筑结构物的破坏准则，并得到了爆破地震作用下计算结构动力可靠度的方法。
Improving the control of blasting near mining excavation can reduce a damage of blasting vibration effect to mining excavation.
加强对井巷附近爆破的控制，可降低爆破地震效应对井巷的破坏。
Forecasting of the blasting vibration is always the premise and basis of the controlling of the blasting vibration damage, and is an important subject of it.
爆破震动强度的预测一直是爆破震动危害控制的前提和基础，也是其研究的一个重要课题。
On the basis of analysis of the mechanism of seismic effect by blasting, the ground vibration velocity, the safety distance and the damage criterion of the seismic effect by blasting are discussed.
文章在分析爆破地震效应作用实质的基础上，讨论了爆破地震速度、爆破地震安全距离的计算方法以及爆破地震效应的破坏标准。
The systematical and creative researches of the method of appraising blasting seismic damage is of great value to promote blasting seismic monitoring and casualty prediction into practice.
该方法系统而创造性的研究，对于推动爆破地震监测、预报走向生产应用，具有重要意义。
Blasting vibration analysis is one of the important foundations for studying the control technology of blasting vibration damage.
爆破振动分析是研究爆破振动危害控制技术的基础和前提之一。
The mechanism of damage and fracture of rock blasting is composed of blasting mechanism and rock meso-damage theory.
岩石爆破损伤断裂机理是由岩石爆破机理和岩石细观损伤力学理论组成的。
Under blasting vibration effect, the vibration frequency of ground particle has a great influence upon building damage.
在爆破振动作用下，地面质点的振动频率对建筑物的破坏具有很大的影响。
Based on the theory of protective engineering and blasting, the damage effects of primary fragments, shock wave and vibration in destruction of bygone aero-bomb and shell are discussed.
分别根据工程防护和工程爆破理论，对航、炮弹销毁时的弹片、冲击波和振动等安全距离计算进行了对比研究，有关研究结论可供销毁废旧航、炮弹的环境安全评估参考。
The blasting construction of small clear distance tunnel inevitably causes accumulative damage of surrounding rocks and its mechanical behaviors will be degenerated.
小净距隧道的爆破施工不可避免地造成围岩累计损伤，岩体力学性能劣化。
Based on practice of excavating piles, the reasons conditions and preventive measures about damage by blasting on supporting rocky layer, pillar ground support and concrete in pile have been proposed.
依据大量掘桩实践，论述了掘桩爆破对持力岩层、护壁、桩间岩柱、邻桩支护和新浇砼损伤的原因、条件和防范措施。
The new parameters for describing damage and its evolution in rock are explored to construct damage model of rock fragmentation by blasting.
探索岩石动态损伤参量及其演化表征方式以构造岩石爆破损伤模型。
Recently air-cushion blasting with column charge has been widely used and gained remarkable results in improvment of fragmentation and controlling damage.
近年来条形药包空腔爆破的应用范围有了一定的扩展，并且在提高爆破效果和控制爆破危害等方面取得了显著效果。
The results indicate that the damage area induced by the dynamic unloading is larger than that induced by the static unloading during blasting excavation.
计算结果表明在高地应力条件下进行爆破开挖时，初始应力动态卸荷在岩体中所产生的损伤范围比准静态卸荷所产生的损伤范围要大；
The results indicate that the damage area induced by the dynamic unloading is larger than that induced by the static unloading during blasting excavation.
计算结果表明在高地应力条件下进行爆破开挖时，初始应力动态卸荷在岩体中所产生的损伤范围比准静态卸荷所产生的损伤范围要大；
应用推荐