行走速度太慢，钻孔移位慢，钻孔后撤离爆破现场的动作也慢，影响整个工程的进度。
But too slow travel speed is directly related to slow drilling displacement and slow evacuation from the explosion site after drilling, which will influence the overall project's schedule.
结果表明现爆破下平硐是稳定的，规范中给定的岩体极限抗震速度有些保守。
The results indicate that the adit is stabile and the value of the given critical antivibration velocity of rock is a little low.
众所周知，工程爆破常在附近引起地震灾害，某一点地震灾害的大小取决于该点地层的地震振动速度。
As is known to all, engineering explosion always causes earthquake calamity. How serous the calamity is depends on vibration velocity of exploding earthquake in stratum.
并论证了爆破地震动响应计算不宜采用拟速度谱的原因。
The reasons why quasi velocity spectrum is not appropriate for calculating blasting vibration are demonstrated.
经对比分析，所得爆破地震波衰减规律公式预测的质点振动速度具有较高的精度。
Through contrasting and analyzing, the particle vibration velocity were forecasted by the orderliness formula of attenuation of blasting earthquake wave is precise relatively.
以往的研究主要集中在爆破施工产生的地震效应方面，并制定了各种情况下混凝土结构的安全振动速度。
Those researches centered on the explosion seismic effect caused by the excavating blast and the criterions of safety vibration velocity for different concrete structures.
此外，文中提出了一个适用于多排孔延时爆破振动速度预测模型的依据公式。
Besides, a basis formula of vibration velocity prediction model that is suitable for multi-row millisecond blasting was proposed.
因此，研究裂纹扩展规律必须研究扩展速度，对探讨岩石断裂控制爆破机理，具有重要意义。
Therefore, the study of the rupture expansion speed is very important for the study of rupture expansion mechanism and it is of great significance in the controlled blasting of rock.
然后以压碎区应力与变形的真实状态为基础，运用动量与质量守恒关系推导了爆破压碎区新型的速度场关系式。
According to true state of the stress and the strain near the cavity, a new formula of velocity field has been deducted by use of the conservation laws of momentum and mass.
在实验室进行了单孔抛掷爆破试验，观测了台阶爆破漏斗形成过程，分析了抛掷速度及分布规律。
The single-hole casting blast experiment was conducted in lab. The formation process of blasting crater was observed and the casting velocity and its distribution rule was analyzed.
在地下溶浸采矿中，为了改善受浸矿堆的渗透性，加快浸出速度，提高浸出效果，需将矿岩爆破至一定的块度。
When in underground mine leaching, in order to improve permeability of heap leaching, speed up leaching and improve leaching effectiveness, ore should be blasted to certain fragmentation.
通过爆破方案的对比和分析，该方法可以加快施工速度，是城市工程爆破施工的有效途径。
And analyse through the contrast of demolition scheme, the speed that this method can accelerate constructing. It is the effective way of the urban project demolition.
爆破振动速度在竖直向有放大效应，对于距爆源等距离的竖直向的爆破振速大于水平向。
Blast vibration velocity has magnify effect in the vertical direction, the vibration value of vertical direction is bigger than horizontal direction at the same distance to blast place.
证明支持向量机理论能较好地预测爆破振动合速度。
It is confirmed that the support vector machine theory can predict the velocity of blasting vibration well.
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。
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.
我国现行采用的新浇筑大体积混凝土基础面上的爆破安全振动速度有一定的安全储备。
The safety vibration velocity for young foundation concrete adopted in our country is of some safety.
同时，随着爆破规模的增大，出现了明显的速度放大效应和惯性滞后效应。
At the same time obvious speed magnifying effect and inertia hysteretic effect appeared with the increase of the blasting scale.
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。
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.
在此基础上得出合理的爆破振动速度的控制指标。
On the basis of above-mentioned researches, a reasonable control index of blasting vibration velocity is obtained.
对哈尔滨市一幢16层楼房的爆破拆除过程进行了现场监测，获得了爆破和楼房倒塌过程中引起的地面质点的振动速度、频率等数据。
The demolition process of a 16th floor building in Harbin was monitored, and vibration velocity and frequency of ground particles were obtained during the blasting and collapsing process.
利用支撑爆破中三次爆破震动的监测数据，拟合了速度、加速度和位移反应谱曲线。
Using the data from the monitoring of blasting vibration in three bracing blasts, the response spectra of velocity, acceleration and displacement are fitted out.
对爆破地震的振动速度与爆破振动反应谱进行了分析和探讨，为解决工程爆破问题提供了参考意见。
This paper discusses the vibration velocity of blasting seism and the reaction chart of the blasting vibration, and offers some helpful Suggestions about solving engineering blasting problems.
在绢云母石英片岩中开挖隧洞，使用多臂钻造孔爆破，出现钻孔有规律的弯曲现象，影响了钻爆速度和成洞质量。
When we dig a tunnel in sericite quartz-schist with dobby drills, regular bending of the boreholes appears, which affects drilling speed and the borehole quality.
计算并分析爆破震动对边坡位移、加速度和稳定性系数的影响。
And slope displacement, acceleration and stability coefficient under influence of blasting vibration are analyzed and calculated.
提出了一种由实测爆破振动速度数据得到加速度历程曲线的方法。
A method to obtain the acceleration curve from measured blasting vibration velocity data is proposed in this paper.
为了更好地加快施工进度，在打眼爆破方面要有新的突破，引进国内首台液压伞钻，大大提高了的打眼速度，效果显著。
The 1~(st) domestic hydraulic umbrella drill is therefore introduced to accelerate drilling velocity with obvious effect as a new breakthrough for drilling and blasting.
结果表明，纵波速度与变形能系数关联度最大，纵波速度能较好地反映冻土的爆破性。
The results show that the longitudinal wave velocity is closely correlated to strain energy factor and exhibits the blastability of frozen soil.
享受逐步有挑战性的层次和两种截然不同的玩法-在马拉松上清理所有的网格，依你自己的速度爆破方块，或者依时间速模式竞赛模式来赢得比赛。
Enjoy progressively challenging levels and two distinct play modes - clear the entire grid in Marathon, blasting blocks at your own pace, or race the clock in Speed mode.
享受逐步有挑战性的层次和两种截然不同的玩法-在马拉松上清理所有的网格，依你自己的速度爆破方块，或者依时间速模式竞赛模式来赢得比赛。
Enjoy progressively challenging levels and two distinct play modes - clear the entire grid in Marathon, blasting blocks at your own pace, or race the clock in Speed mode.
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