推荐回答(4个)
指的是1号梁垫,LD代表梁垫。
梁垫经常出现在平面布置图中,梁垫可以是素混凝土的,也可以是钢筋混凝土的。当大梁是预制的可设置在梁下,当大梁是现浇的,梁垫的底面可以与大梁的底面高度相同。
梁垫的长度一般为大梁截面宽度的2-3倍,宽度宜与砖墙的厚度相同,高度可为180-240mm。

扩展资料:
大梁支承于砖墙上时,为了增加梁支座处砖墙的承压面积,在大梁与砖墙的接触面处设置的一个横向短梁,梁垫配筋一般为:2片φ8-100x100钢筋网片。
梁垫的数量由基础构造形式决定,不同构造部分应单独绘出,相同部分可在基础平面图中标出 相同的编号即可。条形基础的详图一般用剖面图表达,对于比较复杂的独立基础,有时还要增加平面图才能表示清楚。
参考资料来源:百度百科-梁垫
参考资料来源:百度百科-平面布置图
施工图纸中L表示梁, LD表示梁垫
梁及梁垫。
梁在结构平面布置图上用梁的轮廓线表示,如图9-6中梁L-1;也可用单粗线表示,并注写上梁的代号及编号。例如图9-7的粗线是表示梁,标注为L-2,其中“L”代表梁,“2”是这根梁的编号。梁的形状及配筋图另用详图表示。

梁在标准图中的标注方法是:L-×(…×…),如图中标为L-1(240×350),则说明梁的编号为1,即1号梁,240为梁的宽度,350为梁的高度。即:

当梁搁置在砖墙或砖柱上时,为了避免墙或柱被压坏,需要设置一个钢筋混凝土梁垫,如图9-8。在结构平面布置图中,“LD”代表梁垫。

建筑施工图纸上的符号表示
1 板 B
2 屋面板 WB
3 空心板 KB
4 槽行板 CB
5 折板 ZB
6 密肋板 MB
7 楼梯板 TB
8 盖板或沟盖板 GB
9 挡雨板或檐口板 YB
10 吊车安全走道板 DB
11 墙板 QB
12 天沟板 TGB
13 梁 L
14 屋面梁 WL
15 吊车梁 DL
16 单轨吊 DDL
17 轨道连接 DGL
18 车挡 CD
19 圈梁 QL
20 过梁 GL
21 连系梁 LL
22 基础梁 JL
23 楼梯梁 TL
24 框架梁 KL
25 框支梁 KZL
26 屋面框架梁 WKL
27 檩条 LT
28 屋架 WJ
29 托架 TJ
30 天窗架 CJ
31 框架 KJ
32 刚架 GJ
33 支架 ZJ
34 柱 Z
35 框架柱 KZ
36 构造柱 GZ
37 承台 CT
38 设备基础 SJ
39 桩 ZH
40 挡土墙 DQ
41 地沟 DG
42 柱间支撑 DC
43 垂直支撑 ZC
44 水平支撑 SC
45 梯 T
46 雨篷 YP
47 阳台 YT
48 梁垫 LD
49 预埋件 M
50 天窗端壁 TD
51 钢筋网 W
52 钢筋骨架 G
53 基础 J
54 暗柱 AZ
施工图纸上 LD-1是什么意思啊
答:施工图纸上 LD-1是:1号梁垫。再给您插张图:

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