建(jian)(jian)筑(zhu)物植(zhi)筋(jin)(jin)(jin)加(jia)(jia)固(gu)(gu)(gu)技術(shu)是一種(zhong)通(tong)(tong)過植(zhi)入(ru)(ru)(ru)高(gao)強(qiang)度鋼(gang)筋(jin)(jin)(jin)提(ti)升結(jie)(jie)構(gou)承載力的(de)有(you)效(xiao)方法，廣(guang)泛應用(yong)(yong)(yong)于(yu)建(jian)(jian)筑(zhu)加(jia)(jia)固(gu)(gu)(gu)改(gai)造領域(yu)。該(gai)技術(shu)通(tong)(tong)過在原有(you)混凝土結(jie)(jie)構(gou)上鉆(zhan)孔(kong)(kong)、注(zhu)膠(jiao)并(bing)植(zhi)入(ru)(ru)(ru)鋼(gang)筋(jin)(jin)(jin)，實(shi)現新舊構(gou)件的(de)可靠連接(jie)，尤其(qi)適(shi)用(yong)(yong)(yong)于(yu)梁柱節點(dian)(dian)加(jia)(jia)固(gu)(gu)(gu)、新增構(gou)件錨(mao)固(gu)(gu)(gu)及(ji)抗震補強(qiang)等(deng)場(chang)景。**施工流程與工藝要點(dian)(dian)**植(zhi)筋(jin)(jin)(jin)加(jia)(jia)固(gu)(gu)(gu)主要包含五個關鍵步(bu)驟(zou)：1.**定位(wei)鉆(zhan)孔(kong)(kong)**：根(gen)據設(she)(she)計(ji)圖紙(zhi)定位(wei)，使用(yong)(yong)(yong)設(she)(she)備鉆(zhan)孔(kong)(kong)，孔(kong)(kong)徑通(tong)(tong)常為(wei)鋼(gang)筋(jin)(jin)(jin)直徑的(de)1.5-2倍，深(shen)度需滿足錨(mao)固(gu)(gu)(gu)長度要求。2.**清孔(kong)(kong)處理**：采(cai)(cai)用(yong)(yong)(yong)高(gao)壓氣泵或毛刷清除孔(kong)(kong)內(nei)粉塵(chen)，確保(bao)(bao)膠(jiao)體(ti)(ti)與混凝土充分粘結(jie)(jie)。3.**注(zhu)膠(jiao)植(zhi)筋(jin)(jin)(jin)**：將環(huan)氧(yang)樹脂類植(zhi)筋(jin)(jin)(jin)膠(jiao)注(zhu)入(ru)(ru)(ru)孔(kong)(kong)內(nei)2/3處，緩慢旋轉插入(ru)(ru)(ru)除銹后(hou)的(de)鋼(gang)筋(jin)(jin)(jin)，使膠(jiao)體(ti)(ti)均勻包裹。4.**固(gu)(gu)(gu)化(hua)養(yang)護**：在膠(jiao)體(ti)(ti)固(gu)(gu)(gu)化(hua)期間(jian)（通(tong)(tong)常24-72小(xiao)時(shi)）嚴禁擾動，環(huan)境(jing)溫度需保(bao)(bao)持在5-35℃以確保(bao)(bao)佳固(gu)(gu)(gu)化(hua)效(xiao)果。5.**質(zhi)(zhi)量檢(jian)測(ce)**：通(tong)(tong)過拉拔試驗(yan)(yan)驗(yan)(yan)證錨(mao)固(gu)(gu)(gu)力，抽檢(jian)比(bi)例(li)不低于(yu)3%且(qie)單組(zu)不少(shao)于(yu)5根(gen)。**技術(shu)優勢(shi)與規(gui)范(fan)要求**該(gai)技術(shu)具有(you)三大優勢(shi)：-**靈(ling)活性(xing)強(qiang)**：可在狹(xia)小(xiao)空間(jian)作(zuo)業(ye)，適(shi)應復(fu)雜(za)結(jie)(jie)構(gou)改(gai)造需求；-**穩固(gu)(gu)(gu)**：錨(mao)固(gu)(gu)(gu)強(qiang)度可達鋼(gang)筋(jin)(jin)(jin)屈服(fu)強(qiang)度的(de)90%以上；-**兼(jian)容性(xing)好**：新舊混凝土通(tong)(tong)過鋼(gang)筋(jin)(jin)(jin)形成(cheng)整體(ti)(ti)受力體(ti)(ti)系。實(shi)施時(shi)需嚴格遵循《混凝土結(jie)(jie)構(gou)加(jia)(jia)固(gu)(gu)(gu)設(she)(she)計(ji)規(gui)范(fan)》（GB50367），重點(dian)(dian)關注(zhu)：-避開原結(jie)(jie)構(gou)主筋(jin)(jin)(jin)，采(cai)(cai)用(yong)(yong)(yong)鋼(gang)筋(jin)(jin)(jin)探測(ce)儀輔助定位(wei)；-選擇膠(jiao)粘劑并(bing)通(tong)(tong)過安全(quan)性(xing)鑒定；-潮濕環(huan)境(jing)需采(cai)(cai)用(yong)(yong)(yong)水下植(zhi)筋(jin)(jin)(jin)膠(jiao)；-抗震設(she)(she)防(fang)區需進行抗震驗(yan)(yan)算(suan)并(bing)設(she)(she)置附加(jia)(jia)錨(mao)固(gu)(gu)(gu)措(cuo)施。植(zhi)筋(jin)(jin)(jin)加(jia)(jia)固(gu)(gu)(gu)作(zuo)為(wei)現代建(jian)(jian)筑(zhu)加(jia)(jia)固(gu)(gu)(gu)的(de)重要手段，其(qi)成(cheng)功應用(yong)(yong)(yong)依賴(lai)于(yu)科學設(she)(she)計(ji)、規(gui)范(fan)施工與嚴格質(zhi)(zhi)檢(jian)。在歷(li)史建(jian)(jian)筑(zhu)保(bao)(bao)護、工業(ye)廠房改(gai)造及(ji)災后(hou)修(xiu)復(fu)中，該(gai)技術(shu)已取得顯著(zhu)成(cheng)效(xiao)，為(wei)建(jian)(jian)筑(zhu)安全(quan)延長使用(yong)(yong)(yong)壽命提(ti)供了(le)可靠保(bao)(bao)障。

剪力(li)(li)(li)墻(qiang)(qiang)植(zhi)(zhi)筋(jin)(jin)加(jia)固(gu)施(shi)工(gong)(gong)(gong)流程一、施(shi)工(gong)(gong)(gong)準(zhun)備(bei)1.方案(an)設(she)計(ji)：依據檢(jian)測(ce)報告(gao)及(ji)《混(hun)凝(ning)土(tu)結構(gou)加(jia)固(gu)設(she)計(ji)規范》確(que)(que)定植(zhi)(zhi)筋(jin)(jin)位置、直(zhi)徑(jing)、深度(du)(du)(du)及(ji)間距，編制專項施(shi)工(gong)(gong)(gong)方案(an)。2.材料(liao)(liao)準(zhun)備(bei)：選用植(zhi)(zhi)筋(jin)(jin)膠(jiao)及(ji)HRB400級鋼(gang)筋(jin)(jin)，提供材料(liao)(liao)合格(ge)(ge)證明及(ji)拉拔(ba)試驗(yan)報告(gao)。3.工(gong)(gong)(gong)作面(mian)處理(li)：清理(li)墻(qiang)(qiang)體(ti)表面(mian)浮灰、油污(wu)，剔除(chu)松散混(hun)凝(ning)土(tu)，暴露堅實基面(mian)。二、定位放線1.使(shi)用全(quan)站儀或(huo)鋼(gang)尺(chi)按設(she)計(ji)圖紙定位，彈線標記(ji)鉆(zhan)(zhan)孔(kong)(kong)(kong)中心點。2.復(fu)核間距誤(wu)差，橫向≤±5mm，縱(zong)向≤±10mm，避開(kai)原(yuan)結構(gou)主(zhu)筋(jin)(jin)。三(san)、鉆(zhan)(zhan)孔(kong)(kong)(kong)作業1.采(cai)用電錘(chui)或(huo)水(shui)鉆(zhan)(zhan)成孔(kong)(kong)(kong)，孔(kong)(kong)(kong)徑(jing)為鋼(gang)筋(jin)(jin)直(zhi)徑(jing)+4~8mm，孔(kong)(kong)(kong)深≥15d（d為鋼(gang)筋(jin)(jin)直(zhi)徑(jing)）。2.鉆(zhan)(zhan)孔(kong)(kong)(kong)垂直(zhi)度(du)(du)(du)偏差≤2°，遇(yu)鋼(gang)筋(jin)(jin)需調整孔(kong)(kong)(kong)位并(bing)(bing)記(ji)錄備(bei)案(an)。3.連續鉆(zhan)(zhan)孔(kong)(kong)(kong)時(shi)(shi)控制鉆(zhan)(zhan)頭溫度(du)(du)(du)≤60℃，防(fang)止混(hun)凝(ning)土(tu)碳化。四、清孔(kong)(kong)(kong)處理(li)1.使(shi)用高壓氣泵(beng)吹(chui)出孔(kong)(kong)(kong)內(nei)粉塵，配合清孔(kong)(kong)(kong)刷反復(fu)清理(li)3次(ci)。2.潤濕(shi)棉紗擦拭孔(kong)(kong)(kong)壁，確(que)(que)保(bao)(bao)孔(kong)(kong)(kong)內(nei)無(wu)(wu)明水(shui)、碎屑。五(wu)、注(zhu)膠(jiao)植(zhi)(zhi)筋(jin)(jin)1.采(cai)用注(zhu)射式植(zhi)(zhi)筋(jin)(jin)膠(jiao)，注(zhu)膠(jiao)量達孔(kong)(kong)(kong)深2/3，膠(jiao)體(ti)飽滿無(wu)(wu)氣泡(pao)。2.鋼(gang)筋(jin)(jin)表面(mian)打磨(mo)除(chu)銹后(hou)，旋轉插入孔(kong)(kong)(kong)底，膠(jiao)液溢出孔(kong)(kong)(kong)口1/3停止。3.植(zhi)(zhi)入后(hou)24小時(shi)(shi)內(nei)嚴(yan)禁擾(rao)動(dong)，固(gu)化期(qi)間環(huan)境溫度(du)(du)(du)保(bao)(bao)持(chi)5-35℃。六、質量驗(yan)收(shou)1.外(wai)觀檢(jian)查：膠(jiao)體(ti)填充(chong)密實，鋼(gang)筋(jin)(jin)無(wu)(wu)松動(dong)。2.拉拔(ba)檢(jian)測(ce)：按5‰抽樣進行非破(po)損拉拔(ba)試驗(yan)，承載(zai)力(li)(li)(li)≥設(she)計(ji)值(zhi)1.15倍。3.驗(yan)收(shou)標準(zhun)：執行《建筑結構(gou)加(jia)固(gu)工(gong)(gong)(gong)程施(shi)工(gong)(gong)(gong)質量驗(yan)收(shou)規范》GB50550。注(zhu)意事項：1.避開(kai)陰雨(yu)天(tian)氣施(shi)工(gong)(gong)(gong)，相(xiang)對濕(shi)度(du)(du)(du)＞80%時(shi)(shi)應采(cai)取除(chu)濕(shi)措(cuo)施(shi)。2.新(xin)舊混(hun)凝(ning)土(tu)結合面(mian)需鑿毛處理(li)并(bing)(bing)涂刷界面(mian)劑(ji)。3.固(gu)化時(shi)(shi)間根據膠(jiao)粘劑(ji)說(shuo)明書確(que)(que)定，通常(chang)常(chang)溫（25℃）需72小時(shi)(shi)。該流程通過(guo)定位、規范操(cao)作及(ji)嚴(yan)格(ge)(ge)驗(yan)收(shou)，可確(que)(que)保(bao)(bao)植(zhi)(zhi)筋(jin)(jin)體(ti)系與原(yuan)結構(gou)協同(tong)工(gong)(gong)(gong)作，梁植(zhi)(zhi)筋(jin)(jin)加(jia)固(gu)公司，提升剪力(li)(li)(li)墻(qiang)(qiang)抗震性能及(ji)承載(zai)能力(li)(li)(li)。

梁加固植(zhi)筋(jin)(jin)(jin)技(ji)術(shu)(shu)(shu)是一(yi)種廣泛應用(yong)于建(jian)筑結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)補強(qiang)與改(gai)造(zao)的(de)工(gong)程技(ji)術(shu)(shu)(shu)，主(zhu)要(yao)通(tong)(tong)過將鋼(gang)(gang)(gang)筋(jin)(jin)(jin)植(zhi)入(ru)混凝土(tu)構(gou)(gou)(gou)(gou)(gou)(gou)件內(nei)部，提升結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)的(de)承載力(li)和整(zheng)體性。以(yi)下是其要(yao)點(dian)：###一(yi)、技(ji)術(shu)(shu)(shu)原理與適用(yong)場(chang)(chang)景植(zhi)筋(jin)(jin)(jin)加固是通(tong)(tong)過鉆孔(kong)(kong)(kong)(kong)(kong)、注膠和植(zhi)入(ru)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)的(de)工(gong)藝，使(shi)新增鋼(gang)(gang)(gang)筋(jin)(jin)(jin)與原結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)形成可靠(kao)連接。主(zhu)要(yao)應用(yong)于以(yi)下場(chang)(chang)景：1.既有建(jian)筑功能(neng)改(gai)造(zao)（如增層(ceng)、擴(kuo)建(jian)）2.結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)損(sun)(sun)傷修復（裂縫(feng)修補后補強(qiang)）3.承載力(li)不(bu)足時的(de)加固（超限荷載調整(zheng)）4.抗(kang)(kang)震性能(neng)提升改(gai)造(zao)###二、標(biao)準(zhun)化(hua)施工(gong)流(liu)程1.**定位(wei)鉆孔(kong)(kong)(kong)(kong)(kong)**：依據設計(ji)圖紙(zhi)定位(wei)，使(shi)用(yong)鉆機成孔(kong)(kong)(kong)(kong)(kong)，孔(kong)(kong)(kong)(kong)(kong)徑(jing)需(xu)(xu)大于鋼(gang)(gang)(gang)筋(jin)(jin)(jin)直徑(jing)4-6mm，孔(kong)(kong)(kong)(kong)(kong)深(shen)滿(man)足錨固長度(du)要(yao)求2.**清孔(kong)(kong)(kong)(kong)(kong)處理**：采用(yong)壓(ya)縮空氣+鋼(gang)(gang)(gang)絲(si)刷反復清孔(kong)(kong)(kong)(kong)(kong)，確保孔(kong)(kong)(kong)(kong)(kong)壁清潔無塵3.**注膠植(zhi)筋(jin)(jin)(jin)**：注入(ru)改(gai)性環氧結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)膠至孔(kong)(kong)(kong)(kong)(kong)深(shen)2/3，螺(luo)旋式植(zhi)入(ru)帶肋鋼(gang)(gang)(gang)筋(jin)(jin)(jin)，確保膠體充盈4.**固化(hua)養護**：常(chang)溫下24-48小時固化(hua)期，期間禁止擾(rao)動(dong)###三、技(ji)術(shu)(shu)(shu)優勢-**錨固可靠(kao)**：抗(kang)(kang)拔(ba)承載力(li)可達鋼(gang)(gang)(gang)筋(jin)(jin)(jin)屈服強(qiang)度(du)的(de)90%以(yi)上(shang)-**微創(chuang)施工(gong)**：孔(kong)(kong)(kong)(kong)(kong)徑(jing)小（通(tong)(tong)常(chang)14-25mm），對原結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)損(sun)(sun)傷小-**靈活適配**：可根據需(xu)(xu)求選擇(ze)不(bu)同(tong)規(gui)格(ge)鋼(gang)(gang)(gang)筋(jin)(jin)(jin)（Φ12-Φ32）-**耐(nai)久性強(qiang)**：結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)膠耐(nai)濕熱老化(hua)性能(neng)達50年(nian)以(yi)上(shang)###四、質量控制要(yao)點(dian)1.嚴格(ge)把控鉆孔(kong)(kong)(kong)(kong)(kong)深(shen)度(du)（常(chang)規(gui)15-20d，d為鋼(gang)(gang)(gang)筋(jin)(jin)(jin)直徑(jing)）2.使(shi)用(yong)膠粘劑（抗(kang)(kang)拉強(qiang)度(du)≥30MPa）3.環境溫度(du)控制（5-35℃施工(gong)為宜）4.拉拔(ba)檢測(ce)驗收（按5%比例抽檢，合格(ge)標(biao)準(zhun)為設計(ji)值的(de)1.2倍）該技(ji)術(shu)(shu)(shu)需(xu)(xu)結(jie)(jie)合結(jie)(jie)構(gou)(gou)(gou)(gou)(gou)(gou)計(ji)算確定植(zhi)筋(jin)(jin)(jin)參數，建(jian)議由加固公司實施。相較于傳統加固法，植(zhi)筋(jin)(jin)(jin)技(ji)術(shu)(shu)(shu)具有施工(gong)便捷、成本可控等(deng)優勢，是現代建(jian)筑加固領域的(de)主(zhu)流(liu)工(gong)藝之一(yi)。