Thaum txhim kho cov kav dej yas, qhov cuam tshuam ntawm ambient kub ntawm lub installation zoo yuav tsum tau xav txog. Feem ntau, thaum qhov kub siab tshaj 40 ℃ lossis qis dua 0 ℃, kev teeb tsa tsis haum; vim qhov loj linear expansion coefficient ntawm cov kav dej yas, feem ntau yog li 8 npaug ntawm cov hlau. Thermal them nyiaj yuav tsum tau txiav txim siab. Feem ntau, spontaneous combustion nyiaj them yog txoj hauv kev tseem ceeb. Teflon corrugated expansion pob qij txha los yog roj hmab compensators kuj siv tau rau kev them nyiaj; rau cov kav dej nyiaj siv ua haujlwm, cov yeeb nkab txhawb nqa yuav tsum tau siv. Cov yeeb nkab txhawb nqa tuaj yeem yog lub kaum sab xis steel lossis hla ntu steel kav. Cov khoom siv, kom lub raj xa dej tuaj yeem nthuav dav thiab cog lus ntawm kev ntseeg siab; rau cov kav dej faus, qhov faus qhov tob feem ntau tsawg dua 0.7 meters, thiab yuav tsum tsis txhob cuam tshuam los ntawm kev tsheb hauv av. Cov trench khawb yuav tsum tiaj tus, nrog pob zeb nyob rau hauv qab thiab ob sab ntawm lub trench. , tawg cib, iav thiab lwm yam khoom siv tawv kom huv thiab huv. Siv cov av zoo zoo rau cov av rov qab, thiab cog cov av nyob ib ncig ntawm cov yeeb nkab tsis sib xyaw nrog pob zeb.
