Thaum txoj kab uas hla ntawm titanium ntsia hlau tsawg dua 30 hli thiab cov kab nruab nrab yog offset hauv 30 hli, koj tuaj yeem ua ntej ci lub ntsia hlau liab nrog oxyacetylene, ces siv lub sledgehammer khoov lub ntsia liaj qhov rooj (los yog siv lub jack los khoov nws). Tom qab kho, siv lub phaj steel los txuas nws ruaj khov thiab ntxiv dag zog rau nws. Tiv thaiv kom rov zoo thaum zawm bolts.
Yog tias qhov sib txawv ntawm cov titanium bolts tsis yog lawm, koj tuaj yeem siv cov nplaim hluav taws xob oxyacetylene los ci rau lawv liab thiab tom qab ntawd siv lub sledgehammer los khoov lawv, welded steel phaj nyob rau hauv nruab nrab rau kev txhawb nqa, thiab sau rau hauv lub sij hawm tom qab grouting.
Rau cov ntsia hlau loj (inch saum 30mm) thaum muaj qhov sib txawv loj, lub ntsia liaj qhov rooj yuav tsum raug txiav tawm ua ntej thiab lub phaj hlau yuav tsum tau welded nyob rau hauv nruab nrab ntawm lub ntsia liaj qhov rooj. Yog hais tias tus ntsia liaj qhov rooj tsis muaj zog txaus, ob daim hlau reinforcing tuaj yeem welded ntawm ob sab ntawm lub ntsia liaj qhov rooj. Lawv qhov ntev yuav tsum tsis txhob yog 3 mus rau 4 npaug me dua li txoj kab uas hla.
Titanium yog ib hom hlau tshiab. Cov khoom ntawm titanium muaj feem xyuam rau cov ntsiab lus ntawm impurities xws li carbon, nitrogen, hydrogen, thiab oxygen. Lub purest titanium iodide muaj cov ntsiab lus impurity tsis ntau tshaj 0.1%, tab sis nws lub zog yog tsawg thiab nws plasticity siab. Cov khoom ntawm 99.5% kev lag luam ntshiab titanium yog: ceev ρ=4.5g/cm3, melting point 1725 degree, thermal conductivity λ=15.24W/(mK), tensile zog σb{10}} MPa, elongation δ=25%, thiab cross-sectional shrinkage Rate ψ=25%, elastic modulus E=1.078 × 105MPa, hardness HB195.
