Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术技术结、应原、这项技术的具体操作方法达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工面风筒的主要技术措施及技术结、应用原理、采用这项技术的具体法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

开发产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主措施及结、应用原理、采用的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要措施结、应、采这项的具体操作方法达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要措施及、理、采这项的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁工程中，常采用盾法修建正交下穿隧道，新隧道的掘进不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了掘进工作面防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面掘进机、大型液压挖掘机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在地铁程中，常采用盾法修建正交下穿隧道，新隧道不可避免地对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了作面防炮崩风筒主要技术措施及技术结、应用原理、采用这项技术具体操作方法及预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断面机、大型液压挖机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。

Undercrossing tunnels are frequently constructed by the shield-driven method in metro projects.Shield tunneling affects the existing tunnel inevitably.

摘要在铁工程中，常采用盾法修建正交下穿隧道，新隧道的不可对既有隧道产生影响。

The technical measures and structure,applied principles of blastproof of ventilation shaft at excavating face,specific operational method and prospective effect are described.

介绍了工作防炮崩风筒的主要技术措施及技术结、应用原理、采用这项技术的具体操作方法及达到的预期效果。

Give priority to develop and manufacture full-face excavator, large-tonnage hydraulic excavator, heavy-tonnage loader, autocrane series, medium and small tonnage and multifunctional loaders.

重点开发生产全断机、大型液压挖机、大吨位轮式装载机、系列汽车起重机以及静液压式中小吨位和多功能装载机。