Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

合跃进煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有效的支护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程的关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中力锚杆的力学模型,指出力锚杆实际应用中主要承受拉力、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实的位置和灌浆饱和度评价锚杆质量的两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机的跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象,造成施工过程经常更换钻具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿支护现状,探讨了支护参数优化设计的必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷一种简单有效的支护。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短群支护碎裂石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压固工程的关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测力的力学模型,指出测力实际应用中主要承受拉力、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要固体内不密实的位置和灌浆饱和度评价质量的两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸对软巷道支护的适应性及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对的跟踪研究,发现在围作业中常遇到软中有硬夹层的现象,造成施工过程经常更换具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有效的支护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液锚杆钻机岩土锚固工程的关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测力锚杆的力学模型,指出测力锚杆实际应用中主要承受拉力、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实的位置和灌浆饱和度评价锚杆质量的两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机的跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象,造成施工过程经常更换钻具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿杆支护现状,探杆支护参数优化设计的必要性重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷杆一种简单有效的支护杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述短杆群支护碎裂岩石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压杆钻机岩土固工程的关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测力杆的力学模型,指出测力杆实际应用中主要承受拉力、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要固体内不密实的位浆饱度评价杆质量的两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析可拉伸杆对软岩巷道支护的适应性及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对杆钻机的跟踪研究,发现杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象,造成施工过程经常更换钻具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿现状,探讨了参数优化设计必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷一种简单有效。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短群碎裂岩石中耙道原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压钻机岩土固工程关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道中测学模型,指出测实际应用中主要承受拉、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要固体内不密实位置和灌浆饱和度评价质量两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸对软岩巷道适应性及其合理结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对钻机跟踪研究,发现钻机在围岩作业中常遇到软岩中有硬岩夹层现象,造成施工过程经常更换钻具问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚杆护现状,探讨了锚杆护参数优化设计必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群护碎裂岩石中耙道原理及实施果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道护中测锚杆型,指出测锚杆实际应用中主要承受拉、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实位置和灌浆饱和度评价锚杆质量两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸锚杆对软岩巷道护适应性及其合理结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层现象,造成施工过程经常更换钻具问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚杆护现状,探讨了锚杆护参数优化设计必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群护碎裂岩石中耙道原理及实施果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道护中测锚杆型,指出测锚杆实际应用中主要承受拉、扭矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实位置和灌浆饱和度评价锚杆质量两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸锚杆对软岩巷道护适应性及其合理结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层现象,造成施工过程经常更换钻具问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必和。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有效的支护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程的关键设备，对工程质量有影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测锚杆的学模型,指出测锚杆实际应用中主承受、矩作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘锚固体内不密实的位置和灌浆饱和度评价锚杆质量的两个参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可伸锚杆对软岩巷道支护的适应及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机的跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象,造成施工过程经常更换钻具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必要性和重要性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹卷锚杆一种简单有效的支护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程的关键设备，对工程质量有重要影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护测力锚杆的力学模型,指出测力锚杆实际主要承受拉力、扭矩作。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实的位置和灌浆饱和度评价锚杆质量的两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适性及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机的跟踪研究,发现锚杆钻机在围岩作业常遇到软岩有硬岩夹层的现象,造成施工过程经常更换钻具的问题。

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚杆支护现状,探讨了锚杆支护参数优化设计的必性性。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚杆一种简单有效的支护锚杆。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚杆群支护碎裂岩石中耙道的原理及实施效果。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

液压锚杆钻机岩土锚固工程的关键设备，对工程质量有影响。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测锚杆的学模型,指出测锚杆实际应用中主承受拉、作用。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘锚固体内不密实的位置灌浆饱度评价锚杆质量的两个参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚杆钻机的跟踪研究,发现锚杆钻机在围岩作业中常遇到软岩中有硬岩夹层的现象,造成施工过程经常更换钻具的问题。