Pneumatic Boring Head

Michael S. Schnell

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Pneumatic Boring Head

机译：气动镗头

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When traveling through the Mississippi River Valley of La Crosse,Wis., the challenges of construction work are quite evident. The towering, tree lined and rock-laden bluffs that surround the Mississippi, Black and La Crosse rivers are beautiful, yet intimidating, to anyone having to complete a project in the area.rnIn the summer of 2010, Ellingson Companies - which specializes in agricultural drainage, directional drilling, cured-in-place pipe repair and a wide variety of trenchless technologies - partnered with the City of La Crosse on a challenging water main installation project.The main will supply water to a soon-to-be constructed, 150,000-gal, reinforced-concrete storage tank, located on the crest of one of the many bluffs on the western outskirts of the City.

机译：当穿越威斯康星州拉克罗斯的密西西比河谷时，建筑工作面临的挑战是显而易见的。环绕密西西比河，布莱克河和拉克罗斯河的高耸，绿树成荫，岩石多岩石的悬崖对任何必须在该地区完成项目的人来说都是美丽而又令人生畏的。rn在2010年夏天，专门从事农业的Ellingson公司排水，定向钻探，现场固化管道维修以及多种非开挖技术-与拉克罗斯市合作开展了具有挑战性的供水总管项目，该总管将为即将建造的15万供水-gal钢筋混凝土储罐，位于城市西郊众多虚张声势之一的山顶上。

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《Trenchless Technology》 |2010年第8期|P.6468|共2页
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Michael S. Schnell;
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1. Mechanics of boring processes - Part II: multi-insert boring heads [J] . F. Atabey, I. Lazoglu, Y. Altintas International Journal of Machine Tools & Manufacture: Design, research and application . 2003,第5期

机译：镗削过程的力学-第二部分：多插入式镗头
2. PROCEDURE FOR INSTALLATION OF BORE- AND CAST-IN-PLACE PILES-ENVELOPS WITH USE OF PNEUMATIC FORMS [J] . Yu. L. Timofeev Soil mechanics and foundation engineering . 2012,第2期

机译：使用气动形式安装钻孔和现场浇筑信封的程序
3. Large bore pneumatic locking cylinders [J] . Manufacturers' Monthly . 2002,第5期

机译：大口径气动锁芯
4. IMPROVING THE METHODOLOGY FOR 3D FLUID-THERMAL ANALYSES OF LARGE-BORE ENGINE CYLINDER HEADS [C] . Stefano Toninel, Ian Calvert, Atanu Phukan . 2014

机译：改进大缸发动机缸盖的3D流体热分析的方法
5. The Use of a Look-Ahead Geophysical Method to Delineate Water-Bearing Features Ahead of a Tunnel Boring Machine [D] . Hinton, John S., Jr. 2019

机译：使用超前地球物理方法描绘隧道掘进机前方的含水特征
6. Large Carbon Dioxide Fluxes from Headwater Boreal and Sub-Boreal Streams [O] . Jason J. Venkiteswaran, Sherry L. Schiff, Marcus B. Wallin -1

机译：来自上游水源和北方水流的大量二氧化碳通量
7. Report drawn up on behalf of the Committee on Economic and Monetary Affairs on proposals from the Commission of the European Communities to the Council on the elimination of technical barriers to trade in particular, proposals for directives on the approximation of laws of theMember States relating to:safety belts and restraint systems and head restraints of seats of motorvehicles (Doe. 464/74);headlights for motor vehicles emitting an asymmetrical passing beam or adriving beam or both, and to incandescent electric lamps for suchheadlights (Doe. 452/74);side lights, rear lights and stop lights for motor vehicles and their trailers(Doe. 457/74);the rear registration-plate illuminating device of motor vehicles and theirtrailers (Doe. 450/74);towing hooks on motor vehicles (Doe. 462/74);the roll-over protection structures of wheeled agricultural or forestrytractors (Doe. 456/74);the type-approval of motorcycles (Doe. 463/74 );alcoholometers and hydrometers for alcohol and alcohol tables(Doe. 406/74);electromedical equipment and medical X-ray equipment operating at 10to 400 kV (Doe. 453/74);common provisions for constructional plant and equipment; themeasurement of the sound level of constructional plant and equipment;the permissible sound level for pneumatic concrete-breakers andjackhammers (Doe. 454/74); 'appliances using gaseous fuels, safety and control devices for theseappliances and methods for inspecting these appliances and appliancesusing gaseous fuels for the instantaneous production of hot water forsanitary purposes (Doe. 459/74). Working Documents 1974-1975, Document 517/74, 10 March 1975 [O] . 1975

机译：代表经济和货币事务委员会就欧洲共同体委员会向理事会提出的关于消除贸易技术壁垒的建议提出的报告，关于近似法律的指示的提案成员国涉及：安全带和约束系统以及电动机座椅的头枕车辆（Doe.464 / 74）;用于发出不对称通过光束或a的机动车辆的前灯驱动光束或两者，以及用于此类的白炽电灯头灯（Doe.452 / 74）;汽车及其拖车的侧灯，尾灯和刹车灯（Doe.457 / 74）;机动车后置板照明装置及其机动车拖车（Doe.450 / 74）;机动车辆上的牵引钩（Doe.462 / 74）;轮式农业或林业的翻车保护结构拖拉机（Doe.456 / 74）;摩托车的型式认可（Doe.463 / 74）;用于酒精和酒精表的酒精计和比重计（Doe.406 / 74）;电子医疗设备和医疗X射线设备运行在10到400 kV（Doe.453 / 74）;建筑工厂和设备的共同规定;该测量建筑工厂和设备的声级;气动混凝土破碎机允许的声级手提钻（Doe.454 / 74）; “使用气体燃料的设备，这些设备的安全和控制装置用于检查这些器具和器具的器具和方法使用气态燃料瞬间生产热水卫生用途（Doe.459 / 74）。工作文件1974-1975，文件517/74，1975年3月10日

Pneumatic Boring Head

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