膜结构技术规程（CECS 158：2015）-畅读网

　　　　

膜结构技术规程（CECS 158：2015）

作者：中国钢结构协会空间结构分会

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科学技术 >> 医学/建筑

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内容简介:

《膜结构技术规程（CECS 158：2015）》保持了原《规程》共10章的内容，包括了膜结构从设计开始到竣工交付后维护保养的全过程，新增了3个附录。主要内容包括：总则、术语和符号、设计基本规定、材料、结构计算、连接构造、制作、安装、验收、维护和保养等。主要修订内容包括：调整了P、G类膜材分级和代号，统一采用N／5cm作为抗拉强度标准值单位，并对G类增加了丝径的指标；新增了ETFE膜材的有关规定；完善了空气支承式膜结构的有关内容；系统梳理了膜结构的连接做法；明确了膜结构工程验收的主控项目和一般项目；给出了典型张拉膜结构风载体型系数；推荐了试验确定各类膜材强度和弹性模量的方法等。

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CONNECT:[ UseTime:0.001091s ] mysql:host=127.0.0.1;port=3306;dbname=mq;charset=utf8mb4
SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.011023s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.011779s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.002484s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001216s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.001641s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001014s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.001548s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.001006s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.001606s ]
SELECT * FROM `ls_goods` WHERE `id` = 117702 AND `status` = 1 LIMIT 1 [ RunTime:0.001274s ]
UPDATE `ls_goods` SET `click_count` = 36 , `update_time` = 1749183649 WHERE `id` = 117702 [ RunTime:0.001068s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.003152s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 10 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001077s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 5 LIMIT 1 [ RunTime:0.000951s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 47 LIMIT 1 [ RunTime:0.000721s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.000947s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.001032s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1749183589 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.575460s ]

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