预压

通过上海F1赛车场软基处理试验，从工艺原理、工艺流程及质量控制几个方面对真空堆载联合预压软基处理技术进行探讨。

According to soft ground treatment tests of Shanghai F1 autodrome , authors discuss some aspects of the vacuum and heap loading combined pre-compaction soft ground treatment technology such as construction principles , construction process and quality control and so forth .

钢管桩基础以零沉降控制，免预压，施工中整体监控。说零和

Steel tube pile foundation was controlled with neither settlement , nor pre-compaction , and supervised in a whole during construction . On Zero Sum

预压应力后张法双作用新工艺在40m跨工字梁中的应用

Two - Action New Technology of Post - Tensioned Prestressed Method Applied to Long Span I - Typed Girder of 40m

经过5a多使用证明，在黄土地区采用预压托换桩法加固或纠偏类似工程问题是可行的。

After five years regular service , it can be concluded that preloading underpinning pile is feasible to reinforce or rectify similar structures and project in loess region .

在Biot固结理论中使用简化的边界面弹塑/粘塑性模型，对超载预压法处理公路软基全过程的变形和孔压进行数值计算。

The simple bounding surface elastoplastic-viscoplastic model was used in Biot ' consolidation theory . The deformation and pore pressure of road soft clay improved by heaped load precompression was calculated numerically .

结果表明：真空预压的直接作用范围可达地表以下18m；

Some conclusions are drawn : the effective depth of foundations to be consolidated by the vacuum preloading method can reach 18m under the ground surface ;

重点介绍F1赛车场工程采用复合桩基处理软土路基，并说明了复合桩的主要优点，工后沉降少，预压期短，可直接进行路基填筑。

Introducing the application of composite pile in soft soil foundation treatment in F1 Autodrome Project , and giving the main advantages of composite pile , such as less settlement after construction , short period of preloading and direct construction of subgrade .

应用所建模型，对Φ8×13mm柱形铜柱进行了一次预压和无预压的仿真计算。

With the mathematical model , the simulation on Φ 8 × 13mm copper cylinders of without-preloading and once-preloading has been done .

阐述双预应力混凝土的基本原理；对预压钢筋的施工工艺进行分析，并比较了40m双预应力混凝土梁的主要试验数据与有限元计算结果；

Authors introduce basic principles of bi-prestressed concrete , analyze construction methods of pre-pressed reinforcement , compare main test data and FEM calculation results of a 40m long bi-prestressed concrete beam , and finally provide several ideas .

为保证施工质量，在粉喷桩三角形布桩的中心打设塑料排水板，并铺设50cm厚砂垫层，进行超载预压，取得了较好的工程效果，为类似工程提供了可借鉴的方法

In order to ensure the quality of construction , we drived a prefabricated drains in the center of every three jet-powder piles , layed 50 cm thick sand on the surface , and preloaded , the result is satisfactory

国内真空预压法加固软土地基的现状与趋势

Current Situation and Tendency of Improving Soft Foundation by Vacuum Preloading

真空预压加固软淤泥的研究

Study of consolidation stabilization on soft muck by using atmospheric pressure

预压柔性滚子轴承柔性滚子变形的计算

Deformation Calculation for Flexible Rollers in Flexible Roller Bearing With Preload

详细阐述了预压施工控制的内容与方法。

Details the contents of pre-press and method of construction control .

真空预压中真空度与孔隙水压力的关系分析

Analysis of relationship between vacuity and pore-water pressure in vacuum preloading

预压弹簧摩擦片式防滑差速器的优化设计

Optimum Design of Preload Spring Friction Disc Type Limited Slip Differential

薄层加载预压排水固结处理高速公路软土地基

Thin-coat Load Pressure Drainage Consolidation Treating with Freeway Soft Soil Base

超载预压软基固结边界面弹塑/粘塑性分析

Bounding Surface Elastoplastic-viscoplastic Analysis on Soft Clay of Heaped Load Precompression

真空预压法应用于污水处理厂软基处理

Vacuum Pre-loading Method for Soft Foundation Treatment of Wastewater Treatment Plant

真空排水预压工程中真空度的现场测试与分析

Field test and analysis of vacuum pressure in vacuum drainage preloading

大面积吹填陆域真空预压密封墙处理技术的应用

Application of Vacuum Preloading Sealing Wall Technique for Large-area Reclaimed Land

真空预压地基非饱和带探讨

Discussion on unsaturated zone in soft ground improved by vacuum preloading

真空预压软基处理的检测及效果分析

Detection and effect analysis on vacuum preloading for soft ground treatment

钢筋混凝土预压桩基础托换设计浅析

Initial analysis on reinforced concrete pre pressured pile foundation exchange designing

真空预压作用下软土地基固结的分形研究

Study on Fractal of the Soft Soil Consolidation with Vacuum Preloading

加固场地对真空预压效果评价方法的讨论

The discussion of evaluation method of vacuum preloading effect on site

塑料排水板在真空预压加固软基中的作用

The Effect of Plastic Drain Board in Atmospheric Pressure Soft-base Reinforcement

真空预压法加固软基三维有限元计算

Analysis of 3D FEM for soft foundation improved by vacuum preloading

真空预压在沿海软土地基加固中的应用

Application of Vacuum Preloading for Foundation Reinforcement in Coastal Soft Ground

软土地基采用真空堆载联合预压法时沉降分析

Settlement Analysis of Soft Soil Foundation Applied with Vacuum-surcharge Preloading Method