工(gong)程(cheng)植(zhi)(zhi)筋(jin)(jin)加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)技(ji)(ji)術解析植(zhi)(zhi)筋(jin)(jin)加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)是建(jian)(jian)筑結(jie)(jie)構(gou)加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)中(zhong)常用(yong)(yong)的(de)一種(zhong)后錨(mao)固(gu)(gu)(gu)(gu)(gu)技(ji)(ji)術，通過在(zai)既(ji)有(you)(you)混(hun)(hun)凝(ning)土(tu)結(jie)(jie)構(gou)中(zhong)鉆孔(kong)(kong)(kong)、注膠(jiao)并(bing)植(zhi)(zhi)入鋼筋(jin)(jin)，形(xing)成(cheng)可靠連接(jie)，適(shi)(shi)用(yong)(yong)于(yu)梁柱節點加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)、新(xin)(xin)增(zeng)構(gou)件連接(jie)、設(she)備基(ji)(ji)礎(chu)固(gu)(gu)(gu)(gu)(gu)定等場景。一、技(ji)(ji)術原(yuan)理通過結(jie)(jie)構(gou)膠(jiao)將鋼筋(jin)(jin)與混(hun)(hun)凝(ning)土(tu)孔(kong)(kong)(kong)壁粘結(jie)(jie)成(cheng)整體，利用(yong)(yong)膠(jiao)體的(de)粘結(jie)(jie)力和(he)鋼筋(jin)(jin)的(de)機械咬合力傳遞荷載。其抗拔(ba)力取決于(yu)膠(jiao)體性(xing)能、鋼筋(jin)(jin)錨(mao)固(gu)(gu)(gu)(gu)(gu)深度(du)(du)(du)(du)及混(hun)(hun)凝(ning)土(tu)強(qiang)度(du)(du)(du)(du)，需根據設(she)計要求(qiu)計算(suan)確定。二、應用(yong)(yong)場景1.結(jie)(jie)構(gou)改造加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)：新(xin)(xin)增(zeng)梁柱節點、擴大截面(mian)加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)2.設(she)備安裝(zhuang)：大型設(she)備基(ji)(ji)礎(chu)錨(mao)固(gu)(gu)(gu)(gu)(gu)3.裝(zhuang)修工(gong)程(cheng)：幕墻龍(long)骨(gu)、鋼結(jie)(jie)構(gou)預埋(mai)4.歷史建(jian)(jian)筑修復：破損構(gou)件修復連接(jie)三、施工(gong)流程(cheng)1.定位(wei)放線：避開(kai)原(yuan)結(jie)(jie)構(gou)鋼筋(jin)(jin)，間距≥5d（d為鋼筋(jin)(jin)直(zhi)徑(jing)）2.鉆孔(kong)(kong)(kong)清孔(kong)(kong)(kong)：孔(kong)(kong)(kong)徑(jing)為鋼筋(jin)(jin)直(zhi)徑(jing)+4-8mm，深度(du)(du)(du)(du)15-20d，吹(chui)掃后用(yong)(yong)清洗3.注膠(jiao)植(zhi)(zhi)筋(jin)(jin)：采用(yong)(yong)注膠(jiao)至孔(kong)(kong)(kong)深2/3，旋轉插入鋼筋(jin)(jin)4.固(gu)(gu)(gu)(gu)(gu)化養護：環(huan)氧樹脂(zhi)膠(jiao)需24小時固(gu)(gu)(gu)(gu)(gu)化，期間禁(jin)止擾動四、質量控制要點1.材(cai)料選擇：使(shi)用(yong)(yong)膠(jiao)，通過抗濕(shi)(shi)熱老(lao)化檢測2.工(gong)藝(yi)控制：孔(kong)(kong)(kong)深偏差(cha)≤5mm，注膠(jiao)飽滿(man)度(du)(du)(du)(du)≥95%3.環(huan)境要求(qiu)：溫度(du)(du)(du)(du)5-35℃，濕(shi)(shi)度(du)(du)(du)(du)≤85%4.驗收(shou)標準：固(gu)(gu)(gu)(gu)(gu)化后需進(jin)行拉拔(ba)試(shi)驗，抽檢量≥3%五、注意事項避免在(zai)開(kai)裂混(hun)(hun)凝(ning)土(tu)直(zhi)接(jie)植(zhi)(zhi)筋(jin)(jin)，對邊緣構(gou)件需驗算(suan)混(hun)(hun)凝(ning)土(tu)劈裂力。高溫環(huan)境優(you)先選用(yong)(yong)改性(xing)乙烯基(ji)(ji)酯膠(jiao)，潮濕(shi)(shi)孔(kong)(kong)(kong)洞應使(shi)用(yong)(yong)水下膠(jiao)。植(zhi)(zhi)筋(jin)(jin)完(wan)成(cheng)后需進(jin)行防銹處理，重要節點建(jian)(jian)議增(zeng)設(she)機械錨(mao)固(gu)(gu)(gu)(gu)(gu)措施。該技(ji)(ji)術具有(you)(you)施工(gong)靈活、適(shi)(shi)應性(xing)強(qiang)等特點，但(dan)需嚴格把(ba)控施工(gong)質量，建(jian)(jian)議由加(jia)(jia)固(gu)(gu)(gu)(gu)(gu)單位(wei)實(shi)施，確保(bao)結(jie)(jie)構(gou)。

樓房植(zhi)筋(jin)(jin)加(jia)(jia)固(gu)施工(gong)(gong)流(liu)程（約400字）一、前期準備1.現(xian)場勘察：核(he)查原結(jie)(jie)構圖紙，確(que)定需(xu)加(jia)(jia)固(gu)部(bu)位(wei)，檢測混(hun)(hun)凝(ning)土強度(du)（不(bu)低于C15），剔除疏松層。2.定位(wei)放(fang)線(xian)：按設(she)計(ji)要求彈線(xian)定位(wei)，使用鋼(gang)(gang)(gang)筋(jin)(jin)探測儀避開原鋼(gang)(gang)(gang)筋(jin)(jin)，標記鉆孔位(wei)置(zhi)，工(gong)(gong)程植(zhi)筋(jin)(jin)加(jia)(jia)固(gu)，誤差≤5mm。二、鉆孔作業1.使用電錘或水鉆成孔，孔徑d+4～8mm（d為(wei)鋼(gang)(gang)(gang)筋(jin)(jin)直徑），孔深(shen)≥15d。2.鉆孔方向宜(yi)與受力方向垂直，孔壁保(bao)(bao)(bao)持(chi)完整，孔道軸線(xian)偏差≤2°。三(san)、清孔處(chu)理(li)(li)1.用高壓氣(qi)泵吹出粉塵，鋼(gang)(gang)(gang)刷清理(li)(li)孔壁3次。2.擦拭孔壁去除油(you)污(wu)，保(bao)(bao)(bao)持(chi)孔內干燥(zao)，濕度(du)＞80%時應烘干處(chu)理(li)(li)。四、鋼(gang)(gang)(gang)筋(jin)(jin)處(chu)理(li)(li)1.鋼(gang)(gang)(gang)筋(jin)(jin)除銹(xiu)打(da)磨至金屬光澤，采用機械法(fa)或酸洗法(fa)處(chu)理(li)(li)。2.涂抹防銹(xiu)劑，螺紋鋼(gang)(gang)(gang)筋(jin)(jin)需(xu)加(jia)(jia)工(gong)(gong)螺紋（有效(xiao)長度(du)≥10d）。五、注膠(jiao)植(zhi)筋(jin)(jin)1.使用注射(she)式植(zhi)筋(jin)(jin)膠(jiao)，注膠(jiao)量達孔深(shen)2/3，膠(jiao)體(ti)飽滿(man)無氣(qi)泡。2.旋轉插入鋼(gang)(gang)(gang)筋(jin)(jin)至設(she)計(ji)深(shen)度(du)（±5mm），膠(jiao)體(ti)溢出孔口(kou)視為(wei)合(he)格。六、固(gu)化養護(hu)1.常溫(wen)（25℃）下養護(hu)24小時，低于5℃時延(yan)長至72小時。2.固(gu)化期間(jian)禁止擾動，環境溫(wen)度(du)宜(yi)保(bao)(bao)(bao)持(chi)在5～35℃之間(jian)。七、質量驗收1.養護(hu)后(hou)隨(sui)機抽(chou)取3%進行拉拔(ba)試(shi)驗，抗(kang)拔(ba)力≥設(she)計(ji)值1.15倍。2.檢查膠(jiao)體(ti)飽滿(man)度(du)，空鼓率(lv)≤5%，外露鋼(gang)(gang)(gang)筋(jin)(jin)做防銹(xiu)處(chu)理(li)(li)。注意(yi)事項：需(xu)避開結(jie)(jie)構主筋(jin)(jin)，雨季(ji)施工(gong)(gong)應做好防潮(chao)措施，膠(jiao)體(ti)初凝(ning)時間(jian)控制在30～60分鐘。嚴格按JGJ145《混(hun)(hun)凝(ning)土結(jie)(jie)構后(hou)錨(mao)固(gu)技術規程》執行，確(que)保(bao)(bao)(bao)新舊(jiu)結(jie)(jie)構有效(xiao)連接。

梁加固(gu)(gu)植(zhi)(zhi)筋(jin)(jin)(jin)(jin)技術是(shi)(shi)一(yi)種廣泛(fan)應(ying)用于建(jian)(jian)筑(zhu)結(jie)構(gou)(gou)(gou)(gou)補強(qiang)與改(gai)造的工(gong)(gong)(gong)程技術，主(zhu)要(yao)通過將鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)植(zhi)(zhi)入混(hun)凝(ning)土(tu)構(gou)(gou)(gou)(gou)件內部(bu)，提升結(jie)構(gou)(gou)(gou)(gou)的承載(zai)(zai)力和整體性(xing)。以(yi)(yi)下(xia)是(shi)(shi)其要(yao)點(dian)：###一(yi)、技術原(yuan)理與適用場(chang)景(jing)植(zhi)(zhi)筋(jin)(jin)(jin)(jin)加固(gu)(gu)是(shi)(shi)通過鉆(zhan)(zhan)孔(kong)、注膠(jiao)(jiao)和植(zhi)(zhi)入鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)的工(gong)(gong)(gong)藝，使新增鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)與原(yuan)結(jie)構(gou)(gou)(gou)(gou)形成(cheng)(cheng)可(ke)靠(kao)連接(jie)。主(zhu)要(yao)應(ying)用于以(yi)(yi)下(xia)場(chang)景(jing)：1.既有(you)建(jian)(jian)筑(zhu)功能(neng)改(gai)造（如增層、擴建(jian)(jian)）2.結(jie)構(gou)(gou)(gou)(gou)損(sun)傷(shang)修復（裂(lie)縫修補后補強(qiang)）3.承載(zai)(zai)力不(bu)足時(shi)的加固(gu)(gu)（超限荷載(zai)(zai)調整）4.抗(kang)震性(xing)能(neng)提升改(gai)造###二(er)、標(biao)準化(hua)(hua)施(shi)工(gong)(gong)(gong)流(liu)程1.**定位鉆(zhan)(zhan)孔(kong)**：依據設計(ji)圖紙定位，使用鉆(zhan)(zhan)機成(cheng)(cheng)孔(kong)，孔(kong)徑(jing)需大于鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)直徑(jing)4-6mm，孔(kong)深滿(man)足錨(mao)固(gu)(gu)長度(du)要(yao)求(qiu)2.**清(qing)孔(kong)處理**：采用壓縮空氣+鋼(gang)(gang)(gang)絲刷(shua)反復清(qing)孔(kong)，確(que)保孔(kong)壁(bi)清(qing)潔(jie)無塵3.**注膠(jiao)(jiao)植(zhi)(zhi)筋(jin)(jin)(jin)(jin)**：注入改(gai)性(xing)環氧結(jie)構(gou)(gou)(gou)(gou)膠(jiao)(jiao)至孔(kong)深2/3，螺旋(xuan)式植(zhi)(zhi)入帶肋鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)，確(que)保膠(jiao)(jiao)體充(chong)盈4.**固(gu)(gu)化(hua)(hua)養護**：常溫(wen)下(xia)24-48小時(shi)固(gu)(gu)化(hua)(hua)期，期間禁止擾動###三、技術優勢(shi)-**錨(mao)固(gu)(gu)可(ke)靠(kao)**：抗(kang)拔承載(zai)(zai)力可(ke)達鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)屈服強(qiang)度(du)的90%以(yi)(yi)上(shang)-**微創(chuang)施(shi)工(gong)(gong)(gong)**：孔(kong)徑(jing)小（通常14-25mm），對原(yuan)結(jie)構(gou)(gou)(gou)(gou)損(sun)傷(shang)小-**靈活適配(pei)**：可(ke)根據需求(qiu)選擇不(bu)同規(gui)格(ge)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)（Φ12-Φ32）-**耐久(jiu)性(xing)強(qiang)**：結(jie)構(gou)(gou)(gou)(gou)膠(jiao)(jiao)耐濕熱老化(hua)(hua)性(xing)能(neng)達50年以(yi)(yi)上(shang)###四、質量控(kong)制(zhi)(zhi)要(yao)點(dian)1.嚴格(ge)把控(kong)鉆(zhan)(zhan)孔(kong)深度(du)（常規(gui)15-20d，d為(wei)(wei)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)(jin)直徑(jing)）2.使用膠(jiao)(jiao)粘劑（抗(kang)拉強(qiang)度(du)≥30MPa）3.環境溫(wen)度(du)控(kong)制(zhi)(zhi)（5-35℃施(shi)工(gong)(gong)(gong)為(wei)(wei)宜）4.拉拔檢測驗收（按5%比(bi)例抽檢，合格(ge)標(biao)準為(wei)(wei)設計(ji)值的1.2倍）該(gai)技術需結(jie)合結(jie)構(gou)(gou)(gou)(gou)計(ji)算確(que)定植(zhi)(zhi)筋(jin)(jin)(jin)(jin)參數，建(jian)(jian)議由加固(gu)(gu)公司實施(shi)。相較(jiao)于傳(chuan)統加固(gu)(gu)法(fa)，植(zhi)(zhi)筋(jin)(jin)(jin)(jin)技術具有(you)施(shi)工(gong)(gong)(gong)便捷、成(cheng)(cheng)本可(ke)控(kong)等優勢(shi)，是(shi)(shi)現代(dai)建(jian)(jian)筑(zhu)加固(gu)(gu)領域的主(zhu)流(liu)工(gong)(gong)(gong)藝之一(yi)。