?!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 混凝土检查井的安装注意事?- 遵义?jng)井萍؜凝土有限公?/title> <meta name="Keywords" content="混凝土检查井"> <link href="/template/60032/css/style.css" rel="stylesheet" type="text/css" /> <link href="/template/60032/css/css_con.css" rel="stylesheet" type="text/css" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head> <body> <h1><a href="http://bjjhd.cn/">日本成人精品视频网站一区,欧美久久久久久久一区二区三区,欧美亚洲综合在线一区,亚洲一级精品视频在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><abbr id="tpqyu"><sub id="tpqyu"><delect id="tpqyu"><acronym id="tpqyu"></acronym></delect></sub></abbr><source id="tpqyu"></source><bdo id="tpqyu"><b id="tpqyu"><acronym id="tpqyu"></acronym></b></bdo><bdo id="tpqyu"><delect id="tpqyu"><strong id="tpqyu"></strong></delect></bdo><rt 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href="http://bjjhd.cn/supply/51.html" target="_blank">(g)查井</a>作ؓ(f)C排水pȝ的关键节点,承担着(g)修、清淤和q接道的重要功能,其安装质量直接关pd排水pȝ的密性、耐久性和安全性。从基础施工到最l验Ӟ每个环节都需遵@规范Q避免因渗漏、沉降等问题影响整体排水效果?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  一、基处理Q筑牢承载根?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  地基承蝲力核验:(x)安装前需(g)地基承载力Q要求不低于 100kPa。对于Y土地基,需q行换填处理Q如采用U配砂石或灰土分层夯实,压实pL?.93Q,或采用水泥搅拌桩加固Q防止检查井沉降开裂。若地基存在U水Q需先排水ƈ 10-15cm 厚碎矛_层,保基底q燥坚实?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">基础寸与强度:(x)混凝土基应符合设计尺寸,一般厚度≥15cmQ强度等U不低于 C15。基剙需qxQ高E偏差控制在 u10mm 内,且预留管道连接口的位|、尺寔R与管道匹配(偏差?mmQ。浇{基Ӟ需振捣密实Q避免蜂H麻面,L 7 天以上至强度达标后方可安装井{?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  二、井{安装:(x)_ևҎ(gu)道</span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  井筒选型与拼接:(x)Ҏ(gu)<a href="http://bjjhd.cn/psg/" target="_blank">排水?/a>道直径和埋深选择匚w的井{规|?Φ700mm、?000mm {)(j)Q井{接口处需讑և槽ƈ填充密封胶圈Q橡胶材质,度 60u5 Shore AQ。拼接时Q井{uUK垂直Q垂直度偏差?0mm/mQ相M{错口≤5mmQ避免强行拼接导致接口开裂?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  与管道连接密:(x)(g)查井与排水管道的q接需采用柔性接口,道插入井筒预留口的深度?200-300mmQ间隙用膨胀水惔砂浆Q掺?3%-5% 膨胀剂)(j)填塞密实Q外侧缠l玻璃纤l布增强密封。若为塑料管道,需在接口处加装胶止水环,防止C水渗入或污水外漏?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">高程控制Q检查井井筒剙高程需与地面或路面标高?sh)_(d)偏差≤?0mm。对于\面下的检查井Q需预留路面l构层厚度(如沥青\面预?5-8cmQ,避免后期路面施工时井{被覆盖或暴霌Ӏ?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  三、井{加Z回填Q防止沉降变?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  井筒加固措施Q对于埋pq?3m 的检查井Q需在井{外侧设|钢{؜凝土护圈Q厚度≥10cmQ配 Φ8@200 双向钢筋Q,增强井筒抗侧压能力。若(g)查井位于车行道下Q需采用重型井盖Q承载力?00kNQ,q在井筒剙 20cm 范围内浇{?C30 混凝土加固圈Q防止井盖塌陗?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  分层回填要求Q井{周围回填土需采用透水性好的材料(如砂矟뀁配碎矻I(j)Q禁止用淤泥、冻土或建筑垃圾。回填时分层摊铺Q每层厚度≤30cmQ用型振动夯(Ȁ振力?0kNQ对U夯实,压实pLQR行道下≥0.95Q非车行道下?.93。回填至井筒剙 50cm 后,可采用原土回填,但需避免机械֎直接作用于井{?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  四、配件安装与密封Q保障功能完?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  井盖与井座安装:(x)井盖与井座需配套Q安装时井剙与\面^齐,间隙用密胶填充。井座底部需与井{顶面紧密脓(chung)合,周边用؜凝土固定QC25 混凝土,宽度?0cmQ,防止车辆֎时松动。对于绿化带或h行道上的(g)查井Q可采用d井盖Q但需讄防盗装置Q如销钉锁定)(j)?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  爬梯与防坠网Q深(g)查井Q井深>1.2mQ需安装爬梯Q爬梯采用球墨铸铁材质,间距 30-40cmQ底部距井底?0cmQ安装牢固(承蝲力≥300NQ。井口内需加装防坠|(龙材质Q承重≥100kgQ,|眼寸?0cm×10cmQ防止h员坠落?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  防渗处理Q检查井内外壁需做防渗处理,内壁可涂h泥基渗透结晶型防水涂料Q厚度≥1.0mmQ,外壁在回填前涂刷沥青防水涂料Q两遍,d度≥2mmQ。对于雨水检查井Q需在井底设|流槽(与管道坡度一_(d)(j)Q流槽表面需光滑Q避免杂物堆U?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  五、特D场景施工要?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  C水位较高区域Q需先降水至井底以下 50cmQ安装过E中采用 “沉井法?施工Q井{底部设底混凝土(C20Q厚度≥30cmQ,q在井筒外侧讄盲沟Q碎?+ 透水土工布)(j)Q将C水引入附q排水系l?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  冬季施工防护Q当环境温度低于 5℃时Q؜凝土基础需掺加防冻剂(掺量 3%-5%Q,筑后覆盖保温棉LQ确保强度达标前不冻l。橡胶密胶圈需提前预热?10-20℃,避免低温化影响密封效果?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  既有道攚w:(x)与旧道q接Ӟ需先切割旧道q清理接口,采用 “哈夫节?或柔性接口适配器过渡,保新旧道轴线一_(d)防止因错位导致渗漏?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  六、验收与l护Q确保长期稳?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  验收指标Q安装完成后Q需q行闭水试验Q水位高?sh)井{内?2mQ?4 时渗漏量≤0.005L/(m・h)Q,(g)查接口、井盖处有无渗漏。同时核验井{垂直度、顶面高E、井盖承载力{指标,全部达标后方可投入用?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  后期l护Q定期清理检查井内淤泥杂物,(g)查井盖、爬梯、防坠网的完好性,发现接口渗漏?qing)时修补Q重新填塞密材料)(j)Q井壁出现裂~时采用环氧?wi)脂注浆堵Q确保排水系l长期稳定运行?/span> </p> <p> <span style="font-size:14px;font-family:SimSun;">  混凝土检查井的安装核?j)?“密防漏、抗沉降、强适配”,需l合地质条g、荷载要求和道cd制定专项Ҏ(gu)Q通过严格把控材料质量、施工精度和验收标准Q才能保障其在排水系l中发挥长效作用?/span> </p> </div> <div id="dhemikk" class="pagess"> <ul> <div>上一?<a href="280.html">混凝土水泥管是地下世界的坚实动脉</a></div> <div>下一?<a href="278.html">水惔的主要应用范围介绍</a></div> </ul> </div> <div id="jbfnjqs" class="info_key"> <span>此文关键字:(x)</span> <a href='/key.aspx?k=%e6%b7%b7%e5%87%9d%e5%9c%9f%e6%a3%80%e6%9f%a5%e4%ba%95'>混凝土检查井</a>, </div> </div> <div id="w05eg0b" 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