Newsletter 高速鐵路簡訊 . 交通部高速鐵路工程局
機場捷運延伸線CM01標潛盾機進場及組裝作業簡介 Introduction to the Launch and Assembly of Shield-Tunneling Machines of the TIAA MRT Extension Line CM01 Tender
下行線螺運機工作井內組裝情形。

機場捷運延伸線CM01標潛盾隧道工程採用「泥土加壓式潛盾機」施工,製造商為JTSC, 每台潛盾機外徑6.25公尺、全長13.765公尺、本體長8.035公尺,包含盾身(分割為上、下部之前、中、後胴共6部分)、切刃盤(主要齒狀切削刀9只、強化先行切削刀9只、滾輪式切削刀5只、魚尾鑽頭1只、超挖裝置1處及切刃盤驅動部等)、推進裝置(潛盾千斤頂共19支及動力油壓泵等)、中折裝置(中折千斤頂12支)、無軸式螺旋輸送機及閘門、環片組立機、真圓保持裝置及後方台車等。
依照本工程施工安排,潛盾隧道將先由A22站往A21站開挖施工,故潛盾機需於A22站北工作井進場及組裝。組裝施工需用大型機械設備,於地面配置300噸及45噸吊車各1部,工作井內投入3噸吊車1部、潛盾機主體移動時之千斤頂數具及其動力單元等。下行線潛盾機組裝流程附圖,各構件組立順序略述如下:發進架台、中及後胴下半部、環片組裝機、中及後胴上半部、真圓保持裝置、前胴下半部、驅動部、切刃盤、驅動部馬達、前胴上半部、螺運機、前胴與中胴結合、潛盾機銲接及配管配線。組裝完成後,須經承商報請監造會同工務所,就本體主要尺寸檢查及無負荷作動試驗等試運轉檢查合格後,方同意開始掘進。
上行線潛盾機從105年3月8日進場組裝, 4月4日組裝完成;下行線從3月29日進場組裝, 4月27日組裝完成,5月10日試運轉檢驗合格,並於5月20日完成鏡面二次破除並開始初期掘進。

The shield-tunnel engineering of TIAA MRT Extension Line CM01 Tender utilized the “earth pressure balanced shield-tunneling machine” manufactured by JTSC. The measurements of the machine are 6.25 meters in outer diameter, 13.765 in total length and 8.035 meters in main body length. The components of the machine includes the main body (divided into 6 parts: front, middle and back in both top and bottom portions), cutter disc (9 toothed cutters, 9 reinforced cutters, 5 roller cutters, 1 fishtail bit, 1 copy equipment and cutter disc drive head), propulsion devices (19 shielding jacks and hydraulic power pumps), articulation apparatus (12 articulation jacks) , non-axle coil transporter and gate, segment assembling machine, roundness detection device and the rear trolley.
According to engineering arrangements, the boring operations of the shield-tunnel will initiate from A22 to A21 Station thus the machine should be launched and assembled at the working shaft in A22 Station. The assembling operations will need to utilize large machinery and equipment where a 300-ton crane and a 45-ton crane are set at the surface and a 3-ton crane, multiple jacks for moving the shield-tunneling machine and other power units are utilized in the working shaft. The assembling procedures of the southbound shield-tunneling machine are detailed as attached figure. The assembling order of each component is outlined as follows: launching pedestal, lower half of middle and back portions, segment assembling machine, upper half of middle and back portions, roundness detection device, lower half of front portion, drive head, cutter disc, drive head motor, upper half of front portion, auger conveyor, assembly of front and middle portion, welding of the shield-tunneling machine and pipeline assembly. After assembly, the contractor needs to inform the construction branch to implement pre-operation tests such as main measurement checks and non-stress actuation test. Upon qualification of the pre-operation tests, boring operations may be initiated.
On Mar. 8, the northbound shield-tunneling machine initiated assembly and was completed on Apr. 4; the assembly of southbound shield-tunneling machine initiated on Mar. 29 and was completed on Apr. 29. The machines passed the pre-operation tests on May 10 and secondary ground treatment works were finished on May 20 followed with subsequent initial boring operations.

  • 下行線中胴下半部工作井內組裝情形。
  • 下行線切刃盤組裝完成。
  • 環片組裝機地面吊裝情形。
  • 分享: