彩钢板墙面布置及施工

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彩钢板的选择：承载力好，外观好，板的利用系数大，连接方式方便，优先选择与国家模拟和数字系统兼容的波长和波形。具有出厂合格证、产品质量证明书，并注明产品标准号、板号、镀锌量、表面结构、表面质量、规格尺寸、形状精度等。

彩板墙立面设计
垂直墙板
垂直墙板布置时，应使用带窗。这种划分可以减少隧道入口的结构，有利于防雨。使用独立窗时，窗的两侧结构比较复杂，不易漏水。布置板时，选择布置的起始线，使板的布置与开孔的尺寸相协调。水平布置墙板时，主要解决板的垂直布置与洞口高度的协调，平面夹芯板与洞口相对。没有特殊要求，排版灵活性更大。

彩钢板墙的长度有三种：屋檐处的闭合高程至墙底的起始高度；屋檐处的闭合高程至孔的上表面；孔的下表面至孔的上表面的高程及初始高度。孔底至墙底的高度。采用洞口及其他洞口的标高及施工方法布置墙体的檩条位置，从而计算出墙板的长度。一般情况下，由于美观要求，彩色钢板墙在竖向布置时不应重叠。当墙高较大时，应考虑采用搭接法。此时，应将重叠长度添加到墙面板长度中。当山墙的屋檐倾斜时，板的长度计算到每块板的斜面的最高点。

侧墙板布置
侧墙板主要用于夹芯板，有时也使用单层压型板。该方法以板的宽度为模数进行垂直排列。设计大于板宽的孔时，孔的上下边缘应尽量与板的横向接缝结合，避免结构复杂。横墙板大多与柱的中心轴分开。第一列和最后一列之间的板的长度是列间距的大小以及第一列和最后一列的轴延伸的大小。中间墙板的长度是柱间距的大小。另外，从柱轴线到洞口边缘的板的长度和尺寸等，斜山墙的板的长度随表观坡度的变化而变化。

墙板连接

非保温板连接

非保温板的连接有明接和暗接两种。明装连接时，连接紧固件将板与山谷中的墙梁连接起来。这种连接使得墙面凹部的紧固件头部更加美观。在波浪距离较大的情况下，也可在波峰上设置连接紧固件。暗装连接盖窄。将第一块板与墙连接后，将第二块板插入第一块板的边缘槽中，以抵抗负风压。

夹芯板连接
夹芯板墙板的连接主要包括工字铝连接、插座连接和暗扣连接。

彩钢板墙基础结构
墙板地下室结构主要解决雨水渗入房间的问题。为避免雨水渗入房间，在连接处的地板和低墙顶部用混凝土浇筑，形成比彩钢板底部高出60 mm的混凝土框架。

门窗安装
门窗的外形尺寸应与洞口尺寸紧密结合。一般来说，门窗比洞口尺寸小5毫米左右。错误过多会导致安装困难。门窗一般安装在钢制墙梁上，门窗也安装在墙板上。此时，根据门窗轮廓的大小，在墙板上开孔。门窗框安装完毕后，用密封胶密封洞口周围的门窗。当门窗安装在墙梁上时，先安装环绕门窗的边缘，再将泛水边缘压在门窗的外缘上。门窗就位并临时固定后，正确测量和固定门窗的纵横度。

注水部件安装
安装前，松开屋檐、上下窗等泛水部件的安装找正，安装前检查泛水部件的端部尺寸，在搭接接头处选择合适的搭接接头，安装泛水部件时在搭接接头处涂上密封胶或设置双面胶带。安装后立即拧紧。将泛水部件安装到转角处时，应根据接头处泛水部件的形状对不灵活的接头进行加工，以保证拐点结构具有良好的防水和外观效果。

Choice of color steel plate: better bearing capacity; better appearance; larger utilization coefficient of plate, convenient connection mode, preferential selection of wave distance and waveform compatible with national analog and digital system. It has the factory qualification certificate, product quality certificate, and the certificate is marked with product standard number, plate number, galvanizing quantity, surface structure, surface quality, specification size and shape accuracy, etc.

Facade design of coloured panel wall

Vertical wall panels

When vertical wall panels are laid out, banded windows should be used. This division can reduce the structure of the entrance of the tunnel and is beneficial to rain prevention. When using independent windows, the structure of both sides of the windows is more complex, and the construction is not easy to leak. When arranging the plates, the starting line of layout is selected to make the arrangement of the plates coordinate with the size of the openings. When arranging the wallboard horizontally, the coordination between the vertical arrangement of the plates and the height of the openings is mainly solved, and the plane sandwich board is opposite to the openings. There is no special requirement, and its typesetting flexibility is greater.

The length of coloured steel plate wall has three kinds: the closing elevation at eaves to the beginning height at the bottom of the wall; the closing elevation at eaves to the upper surface of the hole; the elevation from the lower surface of the hole to the upper surface of the hole and the initial height from the lower surface of the hole to the bottom of the wall. The elevation and construction method at the entrance and other openings are used to arrange the purlin position of the wall, thus calculating the length of the wall panel. Generally, due to the aesthetic requirements, the color steel plate wall should not be overlapped in the vertical layout. When the wall height is large, the overlap method should be considered. At this time, the overlap length should be added to the wall panel length. When the eaves of the gable are inclined, the length of the slab is calculated to the highest point of the inclined surface of each slab.

Lateral wallboard arrangement

Lateral wall panels are mostly used for sandwich panels, and sometimes single-layer profiled panels are also used. This method uses the width of the plate as the modulus to make the vertical arrangement. When designing holes larger than the width of the slab, the upper and lower edges of the hole should be combined with the transverse joints of the slab as far as possible, so as to avoid complicated structure. The transverse wall panels are mostly divided from the central axis of the column. The length of the slab between the first and the last columns is the size of the column spacing and the size of the axis extension of the first and last columns. The length of the middle wall panels is the size of the column spacing. In addition, the length and dimension of the plate from the axis of the column to the edge of the hole, etc. The slab length of the inclined gable varies with the apparent slope.

Connection of wall panel

Connection of non-thermal insulation board

There are two kinds of connection of non-thermal insulation board: exposed connection and concealed connection. When exposed connection, the connecting fastener will connect the board and the wall beam in the valley. This connection makes the head of the fastener in the concave part of the wall surface more beautiful. In some cases with large wave distance, the connecting fastener can also be set on the wave crest. The cover of concealed connection is narrow. After connecting the first board with the wall, the second board is inserted into the edge groove of the first board to resist negative wind pressure.

Connection of sandwich panel

The connection of sandwich panel wall panel mainly includes I-shaped aluminum connection, socket connection and hidden button connection.

Base Structure of Coloured Steel Plate Wall

The basement structure of the wall panel mainly solves the problem of preventing rainwater from infiltrating into the room. In order to avoid rainwater from infiltrating into the room, the floor and the top of the low wall at the junction are poured with concrete to form a concrete frame 60 mm higher than the bottom of the colored steel plate.

Installation of doors and windows

The outline size of doors and windows should be closely combined with the hole size. Generally, doors and windows are about 5 mm smaller than the hole size. Excessive errors will lead to difficulties in installation. Doors and windows are generally installed on steel wall beams, and doors and windows are also installed on wall panels. At this time, according to the size of the outline of doors and windows, holes are opened on wall panels. After the doors and windows frame is installed, the doors and windows around the holes are sealed with sealant. When the doors and windows are installed on the wall beams, the edge wrapping around the doors and windows is installed first, and the flooding edge is pressed on the outer edge of the doors and windows. After the doors and windows are in place and temporarily fixed, the vertical and horizontal degrees of the doors and windows are measured and fixed correctly.

Installation of flooding parts

Before installation, release the installation alignment of flooding parts, such as eaves, upper and lower windows, check the end size of flooding parts before installation, select suitable lap joints at lap joints, coat sealant or set double-sided tape at lap joints when installing flooding parts, and tighten immediately after installation. When installing the flooding parts to the corner, the inflexible joints are processed according to the shape of the flooding parts at the junction to ensure the good waterproof and appearance effect of the inflexion structure.