查询词典 pile hammer

Then, the amplitude amplification for the pile cap response of the coupled system to the bedrock shaking was obtained, and the dynamic interaction was reflected.

对耦合体系桩承台对基岩运动的放大效应进行了求解，此放大效应反映了耦合体系的动力相互作用。

The equal settlement section of rigid pile with cap composite foundation has been proved.

带帽刚性桩复合地基在一定深度位置处存在等沉面现象，为建立带帽桩复合地基沉降计算模型提供了理论依据，并为设计提供有益指导。

National Stadium ; steel column base ; concrete pile cap ; anchorage performance ; experimental study

国家体育场；钢柱脚；混凝土承台；锚固性能；试验研究

The pile cap is assumed infinitely rigid.

承担无限的承rigid。

The majority of piles are designed to support "active" loadings, that is to say, loads from upper structure are directly transferred to the pile foundation by the cap.

通常各类建筑工程中的桩基础主要是主动受荷桩，即上部结构的荷载通过承台传递给下部的桩基础，由桩土间的相互作用来分担上部结构荷载。

The influences of the web reinforcement ratio of pile cap, strength of concrete, axial load ratio and reinforcement ratio in the core of piles on seismic behavior of the joint are discussed.

桩帽的配箍率、混凝土强度等级、轴压比以及桩芯配筋率等参数对节点抗震性能的影响进行讨论。

The paper introduces the construction of low pile cap located in a shallow river during a dry season,and provides experentes for somilar projects.

介绍处于枯水期的浅河汊低桩承台施工，为今后类似工程的施工提供借鉴经验。

Based on the lift-up engineering of dormitory building, consulting Reinforced Concrete Pile Cap Design Code, the design method of underpinning structure was put forward, and though simulating experiments, the reliability of the design method was tested.

本文以某宿舍楼纠偏工程为背景，参考《钢筋混凝土承台设计规程》，提出了托换结构的设计方法，并通过模拟试验证明该设计方法是可靠的。

Designers know it is necessary to connect single pile cap with base beams to ensure the stability of cap, but the rotation of cap is not avoidable.

设计人员一般在一柱一桩基础上设置双向拉梁来约束桩顶水平位移，以保证基础的侧向稳定性，但转角位移却不能避免。

Analytical results show that the web reinforcement ratio of pile cap and strength of concrete are important to the ductility and dissipation capacity of the joint, and axial load ratio is important to the bearing capacity, stiffness, ductility and dissipation capacity of the joint.

摘 要：提出一种新型叉桩节点的抗震性能试验方案，并对这种节点进行了模拟抗震性能试验的非线性有限元分析，得到节点的滞回曲线、骨架曲线、延性系数、割线刚度及耗能能力。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48