BC Place,这座位于温哥华的地标性穹顶体育场,原本是人工草皮的坚定拥趸。它服务于橄榄球、演唱会、甚至卡车大赛,人工草皮以其耐用、低成本、全天候的优势,撑起了这座场馆的运营逻辑。但世界杯来了,国际足联的“天然草强迫症”也随之降临。于是,BC Place必须学会“变脸”:在需要的时候,把脚下那片坚硬的、塑料感十足的人工草皮,换成湿润的、充满生命力的天然草。
**第三,气候与穹顶的“双重诅咒”。** BC Place是室内场馆,没有阳光直射。天然草需要光合作用,而穹顶的透光率再高,也远不及户外。加上温哥华湿润的气候,草皮极易滋生霉菌和病害。我曾经评估过一个类似的内场转换项目,结果草皮因为通风不畅,在比赛前三天开始大面积发黄、发霉。最后组委会不得不紧急从荷兰空运草皮,才勉强撑过比赛。那一次,我亲眼看着球员在草皮上滑倒、咒骂,心里五味杂陈。
[ SQL ] SHOW COLUMNS FROM `cmf_portal_luxiang` [ RunTime:0.003019s ]
[ SQL ] SELECT `post`.* FROM `cmf_portal_luxiang` `post` WHERE `post`.`post_status` = 1 AND `post`.`id` = 7488119 LIMIT 1 [ RunTime:0.002814s ]
[ SQL ] SELECT `id` FROM `cmf_portal_category_post` WHERE `post_id` = 7488119 AND `category_id` = 0 LIMIT 1 [ RunTime:0.002713s ]
[ SQL ] SHOW COLUMNS FROM `cmf_portal_news` [ RunTime:0.003174s ]
[ SQL ] SELECT `post`.* FROM `cmf_portal_news` `post` WHERE `post`.`post_status` = 1 AND `post`.`id` = 7488119 LIMIT 1 [ RunTime:0.002881s ]
[ SQL ] SELECT `post`.* FROM `cmf_portal_news` `post` WHERE `post`.`post_status` = 1 AND `post`.`category_id` = 938 AND `post`.`id` < 7488119 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.002965s ]
[ SQL ] SELECT `post`.* FROM `cmf_portal_news` `post` WHERE `post`.`post_status` = 1 AND `post`.`category_id` = 938 AND `post`.`id` > 7488119 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002761s ]
[ SQL ] SELECT * FROM `cmf_portal_category` WHERE `id` = 938 AND `status` = 1 LIMIT 1 [ RunTime:0.002742s ]
[ SQL ] SHOW COLUMNS FROM `cmf_portal_post_content` [ RunTime:0.002829s ]
[ SQL ] SELECT * FROM `cmf_portal_post_content` WHERE ( id=7488119 ) LIMIT 1 [ RunTime:0.003329s ]
[ SQL ] SELECT `option_value` FROM `cmf_option` WHERE `option_name` = 'storage' LIMIT 1 [ RunTime:0.002709s ]
[ SQL ] SELECT `config` FROM `cmf_plugin` WHERE `name` = 'Oss' LIMIT 1 [ RunTime:0.002645s ]
[ SQL ] SELECT `option_value` FROM `cmf_option` WHERE `option_name` = 'cdn_settings' AND `site_id` = 74 LIMIT 1 [ RunTime:0.003044s ]
[ SQL ] SHOW COLUMNS FROM `cmf_route` [ RunTime:0.004190s ]
[ SQL ] SELECT `url` FROM `cmf_route` WHERE `full_url` = 'portal/List/index?id=938' AND `site_id` IS NULL LIMIT 1 [ RunTime:0.003387s ]
[ SQL ] SELECT `option_value` FROM `cmf_option` WHERE `option_name` = 'site_info' AND `site_id` = 74 LIMIT 1 [ RunTime:0.002694s ]
[ SQL ] SHOW COLUMNS FROM `cmf_theme_file` [ RunTime:0.003057s ]
[ SQL ] SELECT `more` FROM `cmf_theme_file` WHERE `theme` = '24_zhibo_3' AND ( `is_public` = 1 OR `file` = 'portal/article' ) [ RunTime:0.004495s ]
[ SQL ] SELECT `option_value` FROM `cmf_option` WHERE `option_name` = 'storage' LIMIT 1 [ RunTime:0.002699s ]
[ SQL ] SHOW COLUMNS FROM `cmf_nav` [ RunTime:0.003192s ]
[ SQL ] SELECT `id` FROM `cmf_nav` WHERE `is_main` = 1 LIMIT 1 [ RunTime:0.002741s ]
[ SQL ] SHOW COLUMNS FROM `cmf_nav_menu` [ RunTime:0.003105s ]
[ SQL ] SELECT * FROM `cmf_nav_menu` WHERE `site_id` = 74 AND `nav_id` = 1 AND `status` = 1 ORDER BY `list_order` ASC [ RunTime:0.003275s ]
[ SQL ] SELECT * FROM cmf_nami_competitions WHERE id IN (70, 2419, 588, 32, 122, 112, 136, 100, 33, 530, 529, 589, 623, 640) ORDER BY FIELD(id, 70, 2419, 588, 32, 122, 112, 136, 100, 33, 530, 529, 589, 623, 640) limit 20 [ RunTime:0.004135s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.003038s ]
[ SQL ] SELECT `id` FROM `cmf_portal_category` WHERE `parent_id` = 469 [ RunTime:0.003956s ]
[ SQL ] SELECT * FROM `cmf_portal_news` `post` WHERE ( `category_id` IN (469,470,471) ) ORDER BY `id` DESC LIMIT 0,10 [ RunTime:0.003266s ]
[ SQL ] SELECT `id`,`name` FROM `cmf_portal_category` [ RunTime:0.002988s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002578s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002581s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002990s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002826s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002912s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002441s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002536s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.003220s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002586s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 469 LIMIT 1 [ RunTime:0.002496s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002485s ]
[ SQL ] SELECT `id` FROM `cmf_portal_category` WHERE `parent_id` = 938 [ RunTime:0.002974s ]
[ SQL ] SELECT * FROM `cmf_portal_news` `post` ORDER BY `id` DESC LIMIT 0,10 [ RunTime:0.002760s ]
[ SQL ] SELECT `id`,`name` FROM `cmf_portal_category` [ RunTime:0.003079s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002602s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002626s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002964s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002609s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002596s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002612s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002870s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002571s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002485s ]
[ SQL ] SELECT `alias` FROM `cmf_portal_category` WHERE `id` = 938 LIMIT 1 [ RunTime:0.002373s ]