打桩

In order to analyze the influence of filled metal particles on impact force for hydraulic pile hammer, analytical solution of mathematic model for pile hammer filled with metal particles considering effects of metal particles was presented. In the solution, lumped mass were used as metal particles, a spring was used as contact stiffness between metal particles and hammer body, different variable lumped masses were used as pile hammer, the ram and anvil, a spring and a dashpot were used as the anvil cushion and pile respectively.

为分析填充金属颗粒对打桩锤锤击力的影响，考虑填充金属颗粒的作用，用集中质量块表示填充的金属颗粒，用弹簧模拟金属颗粒与锤体相碰处的接触刚度，用不同的集中质量块表示桩锤、砧座和桩帽，用并联的弹簧、阻尼器表示锤垫，用弹簧表示桩垫，用阻尼器表示桩，建立了平衡方程。

The vibration hammer is one kind of the inertial oscillation machinery, belongs to in the vibration use machinery the plane double shaft type driver.

机械设计毕业论文：DZ60振动打桩锤的设计说明书共90页，38886字，含英文翻译一份，autocad图纸5张，任务书一份

Spiral steel pipe company's existing production lines, two of hot-rolled seamless steel pipe production line and four thermal expansion seamless tube production lines, the production φ219-1820 double-helical SAW pipe joints 200,000 tons,φ57-377 seamless hot-rolled 200,000 tons of steel pipes,φ377-630 thermal expansion Seamless Steel Tube 60,000 tons, product implementation SY/T5037, GB/T9711, GB/T8163, API 5L, API 5CT standards, widely applicable to oil and natural gas industry, chemical industry, general Fluid transport and infrastructure projects such as a bridge piling, sells to 27 provinces, municipalities and autonomous regions, and over 700 sales outlets, the reliable quality and high quality services to our customers has won the recognition and welcome.

公司现有六条螺旋钢管生产线、两条热轧无缝化钢管生产线和四条热扩无缝管生产线，年生产φ219-1820螺旋缝双面埋弧焊钢管20万吨、φ57-377热轧无缝化钢管20万吨、φ377-630热扩无缝钢管6万吨，产品执行SY/T5037、GB/T9711、GB/T8163、API 5L、API 5CT标准，广泛适用于石油天然气工业、化学工业、普通流体输送及桥梁打桩基建工程等，销往全国27个省、市、自治区，700多个销售网点，可靠的质量和优质的服务赢得了广大客户的认可和欢迎。

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, monkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity I-bar, O-ring, T-square, octahedron, zigzag chain, gable roof, cross stitch, set square, arch dam, cam shaft, cone buoy, U-bolt,?

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量工字梁，环形圈，丁字尺，八面体，Z形链，人字屋顶，十字缝，三角尺，拱坝，凸轮轴，锥形浮标，U形螺栓三、注意语义分析？

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, m onkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量

Ball bearing, test bed, carrier rocket, pneumatic cushion, tractor shoe, monkey driver, ball cock, automatic pecker, worm auger, decay daughter, sister metal, foreign tissue, getter pump, ghost image, heel block, heartman, downer, at farm, mosquito bomb, plastic stockings, nose cap, flu mask, first aid, fire engine, skid chain, sweet water, drug-fast, vital capacity

滚珠轴承，实验台，运载火箭，气压式缓冲器，拖拉机履带片，锤式打桩机，球阀，自动穿孔器，螺旋钻，裂变产物，同类金属，异体组织，抽气泵，叠影，垫块，心脏移植者，镇静剂，减肥中心，杀蚊弹，玻璃丝袜，防毒面具，卫生口罩，急救，救火车，防滑链，饮用水，抗药性，肺活量

The purpose of this research is to investigate the stability influence of side slope from the environment before/after road development in mountain area. Suitable side slope protection practices were chosen at that time according to the damage of the collapse. These practices are box gabion, net-paved plant, pilling and railing, and mortar bond, cantilever retaining wall, gravity retaining wall, etc. The ecosystem environment can be protected and maintained continuously by these practices.

本研究之目的在探讨山区道路开辟前、后环境对边坡稳定影响，并依据崩塌损坏情况，以现场环境条件选择适当边坡保护工法，本区以箱型蛇笼、铺网植生、打桩编栅、浆砌块石等各工法成效，以维护动植物生长环境与维持原生物种栖息环境之生态工法，及依据实地现况因地制宜配合，以悬臂式挡土墙、重力式挡土墙等工法确切保护边坡，维护道路通行安全与顺畅。

Based on the theoretical analysis and the numerical simulation,the sheltering effect of previously driven pile s on ground surface heave and lateral displacement of soft soil in pile driving is studied.

基于理论分析结果及有限元数值模拟，分析了打桩过程中软土中已打入桩对水平位移及地表隆起的遮拦作用。

Based on the theoretical analysis and the numerical simulation,the sheltering effect of previously driven piles on ground surface heave and lateral displacement of soft soil in pile driving is studied.

基于理论分析结果及有限元数值模拟，分析了打桩过程中软土中已打入桩对水平位移及地表隆起的遮拦作用。

While the clause likely came into existence thanks to the freewheeling office redecorating of former Merrill Lynch chief John Thain - he spent $87,000 on a rug and $35,000 on a toilet when joining Merrill at the end of 2007 - Lutin said the act of piling on restriction after restriction only feeds the lawyerly mentality that has made many corporate directors so ineffectual.

虽然条款可能也开始存在感谢自由办公室装修前美林证券首席塞恩-他花八点七〇万美元的地毯和三点五零零万美元对厕所时加入美林在2007年底- Lutin说，该法案的打桩后，就限制限制只能助长了lawyerly的心态，使许多公司董事因此无效。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。