垫层

Key words: high CFRD;void of face slab;design of bedding layer;drainage of dam

关键 词：高面板堆石坝；面板脱空；垫层设计；坝体排水

In water level variation zone, the Fusun Portland cement of 525 grade should be adopted which will have a concrete frost-resistence label of D300, compressive strength of R28300 and impermeability of S8, In addition, studies have also been conducted on the selection and design standards of bedding mat...

此外，还针对寒冷地区此种坝型垫层料与小区料选择及其设计标准，玄武岩地区趾板基础工程处理措施等问题进行了研究。

Steel banding before the foundation set in the center of the cushion, and cross through the center axis for vertical and horizontal, and then through the center ring for radiation tendons and tendon distance and ring the number.

钢筋绑扎前，先在垫层上定出基础中心点，并通过中心点定出纵横十字轴线，再通过中心点定出辐射筋和环筋的距离和环数。

In this article, authors introduce several construction technologies adopted in vacuum precompression strengthening construction of Nansha Harbor including treating surface of dredger with earthwork textiles, handling high sediment percentage sand cushion with level drainage boards, and sealing techniques combining long and short agitation walls.

介绍在南沙港区真空预压加固施工中，采用土工织物对吹填淤泥进行表面处理、水平排水板处理含泥量高的砂垫层及长短搅拌墙相结合的密封技

Mechanism of hole-to-hole millisecond delay blasting and behaviour of soft spacer at the bottom of boreholes are discussed.

本文分别论述了孔间微差爆破和炮孔底部柔性垫层的作用机理。

The invention relates to a method for preventing a top metal layer of packaging chips from fracturing under high temperature, which avoids the fracture of the top metal layer caused by the inter-diffusion of a gold ball, an aluminum welding pad and a top layer metal by introducing a lower metal layer to the joint between the top layer wire and the aluminum welding pad and driving a metal plug to the joint between the top metal layer and the lower metal layer and a metal plug to the joint between the lower metal layer and the aluminum welding pad.

一种防止封装芯片上的顶层金属层在高温下断裂的方法，通过在顶层金属线和铝焊垫之间连接处引入下层金属层，并在顶层金属层和下层金属层之间的连接处以及下层金属层和铝焊垫之间的连接处打金属插塞，避免了因金球、铝焊垫以及顶层金属相互扩散造成的顶层金属层断裂。

Concrete Pipe posture cushion thickness of 10 cm, bottom 1.35 meters thick, 1.1 m -1.2 m thick side walls, roof 1.45 meters thick.

管身段混凝土垫层厚10厘米，底板厚1.35米，侧墙厚1.1米-1.2米，顶板厚1.45米。

The concrete face slab, concrete crushing-type side wall and toe board are looked as submodel, which is separated from the whole model of CFRD. The calculated displacement in the whole model is applied to the bottom side of the crushing-type side wall, and the water pressure is applied to the surface of the concrete face slab.

子模型法把面板、挤压边墙以及面板周边的混凝土趾板从面板堆石坝的整体模型中脱离出来作为研究对象，在挤压边墙的底都施加与其相连的已如垫层料位移，在面板的表面施加水压力，进行数值分析。

The product may be installed over a wide variety of substrates including foam plastic insulation board, exterior gypsum sheathing, oriented strand board, exterior plywood, asphalt impersonated sheathing and almost any other code approved exterior sheathing.

这种产品可以安装于各种各样垫层上面，包括发泡塑胶隔热板，外置石膏罩，牵线板，耐风化胶合板，仿沥青罩和几乎所有其他经编码核准的外置罩。

It has widely use because of its good compact character, water permeability, high shearing strength and low deformation.

砂砾石垫层具有压实性能好、透水性强、填筑密度大、抗剪强度高、沉陷变形小、承载力高等工程特性，应用前景较好。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。