Safety technical requirements for shaft cage hoisting signal system 豎井罐籠提升信號(hào)系統(tǒng)安全技術(shù)要求
Type : used for single or twin cage hoists , with or without counterweight 型:可供單吊籠或雙吊籠有對(duì)重或無對(duì)重的升降機(jī)使用。
Type : used only for single cage hoists , with or without counterweight , especially when erected without vertical pipe supports . it can also be used together with vertical pipes -型:僅供單吊籠有對(duì)重或無對(duì)重的升降機(jī)使用,特別適用于無豎管支撐安裝,但也可與豎管同時(shí)使用。
The type of double cage hoist is scq150 150 , scq100 100 , and the single hoist is scq150 , scq100 . its high efficiency , high quality and advanced design has been fully used during the erection of the famous high bridges and building 雙吊籠型號(hào)為scq150 150 , scq100 100 ,單籠型號(hào)為scq150 , scq100 .該系列升降機(jī)在上海浦東徐浦大橋,江陰長江大橋和廣東虎門大橋等著名大橋的施工中,充分顯示了高效優(yōu)質(zhì)的先進(jìn)性。
Secondly , this paper made some theoretic researches on its engineering classfication and applicable scope for this technology ; then combining with project example , this paper carried out scheme design for this technology , and compared some different kinds of underpinning scheme and node and structure design , and put forward the method of " reinforcce steel bar through column " to build pile cap beam , " resistant bend and shear anchored reinforce steel bar " to strengthen column consolidation effect , and the method of " steel plate hoop " to build reinforcing bar connection of the foundation beam , etc . in the process of the consturction scheme research and implement , this paper synthetically elaborated the organizaton for project construction , put forward the construction technical measure of specific aim on the artificial pile , and pile cap beam , and underground adding layer and structure stabilization , and overall structure stabilization and so on . for this project , adopt reinforcing bar concrete to brace hole wall to ensure the safety of engineering in the artificial pile construction , use flexible connection catch to make the cage hoisting easier to simplify the construction process , use the method of earthwork statified symmetrical balance in the process of underground adding layer excavation 本文首先對(duì)于基礎(chǔ)托換與結(jié)構(gòu)加固技術(shù)的目的和意義、國內(nèi)外發(fā)展?fàn)顩r進(jìn)行了綜合闡述;其次對(duì)該項(xiàng)技術(shù)工程分類及適應(yīng)范圍進(jìn)行了理論上的分析研究;然后結(jié)合工程實(shí)例對(duì)該項(xiàng)技術(shù)進(jìn)行了方案設(shè)計(jì),對(duì)比幾種不同的托換方案和節(jié)點(diǎn)及構(gòu)造設(shè)計(jì),提出了“通筋穿柱法”做承臺(tái)梁, “抗彎抗剪錨筋法”強(qiáng)化柱加固效果, “鋼板箍法”做地基梁鋼筋連接點(diǎn)等多項(xiàng)技術(shù);在施工方案的研究和實(shí)施過程中,對(duì)于工程施工組織進(jìn)行綜合闡述,并就人工挖孔樁、承臺(tái)梁、地下加層及結(jié)構(gòu)加固、整體結(jié)構(gòu)穩(wěn)定等專項(xiàng)施工方案提出有針對(duì)性的施工技術(shù)措施,人工挖孔樁施工采用鋼筋砼護(hù)壁確保挖孔樁的安全成型,使用柔性連接鉤進(jìn)行鋼筋籠吊裝簡化施工工序;承臺(tái)梁施工采用梁主筋橫穿柱身化學(xué)膠錨固等;地下加層綜合施工技術(shù)采用土方分層對(duì)稱平衡開挖,分段挖土做筏基結(jié)構(gòu)自穩(wěn)等;最后對(duì)于該工程實(shí)施后的效果分析,說明該項(xiàng)綜合施工技術(shù)的可行性。