拱度

将GM（1,1）模型用于预应力混凝土连续梁桥施工中预拱度的控制。

The GM ( 1,1 ) model was the most representative and widely applied grey prognosticate model in grey system theory . This paper used the model for the camber control of the prestressed concrete continuous bridge construction .

预应力混凝土梁上拱度的预测及控制

Prediction and Control of the Camber of the Prestressed Concrete Beam

利用BP人工神经网络确定主梁预拱度；

The construction camber for main beam can be determined by BP artificial neural network .

建立施工预拱度的数学模型，根据施工时的预应力张拉后等工况桥面实测标高与设计值的差异，用BP神经网络识别预拱度模型的参数，确定有关各截面的预拱值。

Based on the differences between the design value and the survey of the bridge deck elevation in constructing the pre-stressed and so on working condition , the model parameters are identified by ANN , and the beam camber of different sections are given .

采用高强度钢丝绳作为张拉元件，对20t抓斗吊车主梁进行预应力法下挠处理，恢复了主梁上拱度，取得预期效果。

Using the high strength rope as a tensile element , the deflection of girders of 20 ton grab crane were corrected by the prestressed ropes . The desired result was achieved .

混凝土徐变及其在桥梁预拱度设置中的应用

Creep of concrete and in bridge pre - crown establishment application

摊铺机熨平板拱度的智能控制原理及分析

Intelligent Control Principle for Screed Arching Factor of Paver and Analysis

大跨度连续刚构桥施工预拱度控制研究

Research on Long-span Continuous Rigid Frame Bridge Construction Control of Pre-camber

钢箱梁斜拉桥横向预拱度的设置

Camber setting in transverse direction of steel box beam cable-stayed bridge

装配式预应力混凝土T梁起拱度控制

The Control of Assembling Prestress Concrete T Beam Springing Degree

混凝土徐变与桥梁的预拱度设置研究

Research on Concrete Creep and Application in Pre-camber of Bridge

大跨预应力混凝土梁式渡槽结构上拱度的分析与控制

Analysis and control on the deflection upwards of large prestressed concrete aqueduct

铝电解多功能机组主梁拱度的控制和修复

Control and Restoration of Pot Tending Machine ( PTM ) Girder Camber

浅议混凝土简支梁预拱度的设置与简化计算

On pre-camber setting and simplified calculation of concrete simple beam

本文通过目前施工过程中主梁挠度计算的三种模式，根据预拱度计算公式，分别对三种模式下预拱度的计算方法进行了分析和比较。

The paper analyzed and compared the current camber calculation and installation methods .

大跨曲线连续刚构桥预拱度的参数化研究

A study on setting parametric camber of large-span curved continuous rigid frame bridge

预拱度计算设置的绝对挠度法

Absolute deflection method based on pre-arched calculation and installation

预应力混凝土T梁起拱度理论分析及控制研究

Theoretical Analysis Calculation and Control Methods Research in Deflection Upward of Pre-stressed Concrete T-Beam

大跨径预应力混凝土连续梁桥施工预拱度控制研究

Research on the Construction Camber of Prestressed Concrete Continuous Beam of Long Span Bridge

连续刚构桥裂缝防治及预拱度优化研究

The Crack Prevention and Optimization of Pre-camber of Research on Continuous Rigid Frame Bridge

大跨径预应力砼T梁上拱度数值模拟与分析

The Digital Analogue and Analysis of Deflection of Prestressed Concrete T-Shape Beam of Large-Span

这同时适用于公路和赛道拱度值。

This applies to both the road version and to racing circuit camber values .

经验法设置大跨径连续刚构桥预拱度存在诸多问题。

At present , the experience method of installing the camber has many problems .

采用自重法控制桥式起重机主梁的上拱度

Controlling the camber of main girder for the overhead travelling crane use for deadweight method

拱度和混凝土的收缩、徐变的影响比较明显。

The effect of arch degree , creep and shrink of concrete is very distinct .

门、桥式起重机主梁刚度与拱度研究

A Study of the Rigidity and Arch Camber of the Main Beam of Gantry Cranes

支架法现浇简支箱梁预拱度设置及起拱控制浅谈

Pre-camber Setting and Over-camber Control in In-situ Casting of Simply-supported Box Beam with Bracket Method

先张法空心板反拱度计算及施工与实际不符的分析

Calculation Analysis of Pretension Hollow Slab Arch

在悬臂桥梁施工中，科学合理的设置悬臂每一段待浇梁的预拱度至关重要。

It is very important to set pre-camber of every cantilever properly in bridge cantilever construction .

铝电解多功能机组主梁腹板预制拱度确定方法

Determining Method of Web Plate 's Prefabricated Camber on Main Girder of Aluminum Electrolysis Multifunctional Unit