Kev tsim cov txheej txheem rau Steel Structures (Steel Frames) - Xov xwm - Qingdao Eihe Steel Structure Group Co., Ltd.

1. Hlau Ncej Lifting Check (Hoisting xam)

I. Lifting Diagram

Tus tswv cuab:Hlau Beam H500 × 200 × 10 × 16, Length L = 12.0 m

Lifting Points:Teeb ntawm L / 4 los ntawm txhua qhov kawg ntawm kab teeb

Sling Angle:α ≈ 60 °

II. Load suav

1. Tus Kheej Nyhav Beam:
G = ρ × V = 78.5 kN/m³ × 0.212 m³/m × 12.0 m = 199.9 kN

2. Dynamic Load Factor:Coj 1.1

3. Nyhav Slings:Tsis quav ntsej (negligible)

4. Tag nrho Lifting Load:
P = G × 1.1 = 219.9 kN

5. Sling Tension (Balanced Load):
T = P / (2 × cos α) = 219.9 / (2 × cos 60°) = 219.9 kN

III. Sling Safety Check

1. Hom Sling:φ20 steel hlau hlua, tawg load Fb = 360 kN

2. Safety Factor (n):
n = Fb / T = 360 / 219.9 = 1.64 > 1.25

Ua tau raws li tus qauv xav tau!

Tshawb xyuas qhov xaus:
Kev ua haujlwm nqa khoom muaj kev nyab xeeb thiab ua tau raws li cov cai.

Cov qauv siv

• Code rau Kev Tsim Kho Cov Qauv Hlau (GB 50755-2012)

• Technical Code for Safety of Lifting and Hoisting in Construction (JGJ 276-2012)

Cov Lus Qhia Txog Kev Nyab Xeeb:

1. Tshawb xyuas cov nqaj hlau, cov hlua hlau, thiab cov cuab yeej nqa ua ntej nqa kom paub tseeb tias lawv muaj kev nyab xeeb thiab txhim khu kev qha.

2. Muab tus neeg mob siab rau los tswj cov txheej txheem nqa. Tsis muaj leej twg tuaj yeem sawv hauv qab lub nqaj.

3. Tsis txhob nqa txoj haujlwm tam sim ntawd thaum cua ceev nce mus txog qib 6 lossis siab dua.

2. Steel ncej Installation thiab tshuaj xyuas - Steel Beam Installation

Nqa cov nqaj hlau mus rau hauv nws txoj haujlwm npaj, tom qab ntawd tshuaj xyuas thiab pom zoo cov pob qij txha sib txuas kom paub tseeb tias qhov kev teeb tsa zoo raws li cov qauv tsim.

[Inset Tag rau Kem: Steel Beam Installation Inspection | Lub npe qhov project: Rhiav #1 | Hnub soj ntsuam | Inspector]

3. Steel ncej Installation thiab tshuaj xyuas - Steel Roof Truss Installation

1. 3D BIM Simulation:Simulate lub ru tsev steel truss installation los txhim kho lub lifting txoj kev npaj thiab kev txiav txim installation.

2. Russ Lifting:Siv lub tsheb crane nqa lub truss thiab tso nws maj mam mus rau hauv txoj hauj lwm thaum ua kom nws sib npaug.

3. Kev Tso Cai & Kev Kho Ib ntus:Tom qab lub ru tsev truss nyob rau hauv qhov chaw, ruaj nws ib ntus thiab kho nws txoj hauj lwm thiab qhov siab (siab).

4. High-Strength Bolt Txuas:Tighten lub high-strength bolts raws li cov qauv tsim los xyuas kom meej muaj kev sib txuas.

5. Kev tshuaj ntsuam xyuas:Txheeb xyuas qhov siab ntawm truss, ncua, khoov (deflection), thiab ntsug ntsug kom paub tseeb tias lawv ua tau raws li cov cai.

6. Cov ntaub ntawv soj ntsuam:Tom qab dhau qhov kev tshuaj ntsuam, ua kom tiav daim ntawv teev npe thiab txav mus rau cov kauj ruam tom ntej.

Steel Roof Truss Installation Inspection Record

Cov khoom soj ntsuam	Tso cai yuam kev (mm)	Ntsuas tus nqi (mm)	Tshawb xyuas qhov tshwm sim
Lub cev muaj zog (L)	± 10	—	√ (Pass)
Truss Height (Qhov siab)	± 5	—	√ (Pass)
Truss Bending (Deflection)	Luas / 750	—	√ (Pass)
Truss Vertical Alignment	H / 1000	—	√ (Pass)
Txhawb Txoj Haujlwm	± 5	—	√ (Pass)
High-Strength Bolt Torque	Ua tau raws li qhov yuav tsum tau ua	—	√ (Pass)

Cov Ntsiab Cai Tswjfwm:

Tshawb xyuas tag nrho cov khoom steel tuaj ntawm qhov chaw los xyuas lawv hom, qhov loj me, thiab vuam zoo;
Siv cov phiaj xwm nqa kev nyab xeeb thiab siv tau los ua kom muaj kev ruaj ntseg nqa;
Kho thiab kho lub truss txoj cai tom qab nws muab tso rau hauv txoj hauj lwm;
Tighten tag nrho cov muaj zog bolts kom zoo thiab sim lawv lub zog raws li txoj cai;
Ua ib qho kev soj ntsuam tag nrho kom paub tseeb tias cov qauv teeb tsa ua tau raws li txhua tus qauv tsim thiab cov cai.

4. Steel ncej Installation thiab tshuaj xyuas - Inclined Steel Beam Installation

Extracted Photo Labels:Sab saum toj-Sab laug Inset: 3D BIM Saib | Hauv qab-Sab laug Inset: Installation Kos | Daim duab tseem ceeb: Upper Connection Joint, Inclined Steel Beam (Diagonal Brace), Lower Connection Joint

Steel ncej Installation thiab tshuaj xyuas - Inclined Steel Beam Installation

1. Pre-Installation Check:Txheeb xyuas tus naj npawb, qhov loj me, qhov ntsia hlau qhov chaw, thiab kev sib txuas phaj kev taw qhia. Xyuas kom cov chaw tiv tauj yog tiaj tus, huv si, thiab tsis muaj burrs lossis roj.

2. Lifting thiab Positioning:Siv ob lub ntsiab lus nqa los nqa cov nqaj inclined maj mam mus rau hauv qhov chaw. Kho nws ib ntus thiab xyuas kom ob qho tib si sab sauv thiab sab hauv cov pob qij txha ua kom raug nrog steel kem thiab kab teeb.

3. Kev sib tw thiab kev hloov kho:Kho qhov nruab nrab txoj hauj lwm, qhov siab, thiab ntsug ntsug ntawm cov kab inclined kom ua tau raws li cov qauv tsim. Ua kom tiav qhov kev sib txuas mus tas li tom qab sib dhos.

4. Txoj kev sib txuas:Txuas nrog lub zog muaj zog bolts. Tighten lawv sib npaug ntawm qhov nruab nrab sab nraud mus rau ob sab raws li qhov xav tau los ntawm kev tsim, thiab kos txhua tus ntsia liaj qhov rooj tom qab qhov kawg nruj dhau kev tshuaj xyuas.

5. Kev tshuaj ntsuam xyuas:Txheeb xyuas qhov chaw nruab nrab, qhov siab, kev sib dhos ntsug, phaj sib cuag nruj, thiab ntsia liaj qhov rooj kom zoo. Txhua yam yuav tsum ua raws li Txoj Cai Kev Txais Kev Tsim Kho Zoo ntawm Cov Qauv Hlau (GB 50205).

5. Hlau Ncej Kev Txhim Kho thiab Kev Tshuaj Xyuas - Steel Kem Installation

1. Kev kuaj xyuas hauv paus:Tshawb xyuas seb lub thauj tog rau nkoj bolt txoj haujlwm, lub hauv paus qhov siab, thiab lub hauv paus qhov ntev raws li qhov tsim nyog.

2. Vertical Alignment Check:Siv tag nrho qhov chaw nres tsheb, laser kav dej, lossis theem ncaj los xyuas seb qhov ncaj ( ntsug) cov kab hlau sawv ntsug li cas.

3. Kev Tshawb Fawb Kev Sib Txuas Zoo:Xyuas seb cov bolts muaj zog, welds, thiab cov phaj sib txuas ua tau raws li tus qauv yuav tsum tau ua.

Kev tsim kho:1. Kev Npaj Ua Haujlwm → 2. Lift & Qhov Chaw Hlau Ncej → 3. Txhim Kho & Ruaj Ntseg → 4. Kev Tshawb Fawb & Txais

6. Steel ncej Installation - Truss Structure Installation (3D BIM daim duab)

Installation txheej txheem Flow:Kev Tshawb Fawb & Kos Npe → Txhawb Kev Tshawb Fawb → Lift & Qhov Chaw → Kev Kho Ib Nrab → Alignment & Kho → High-Strength Bolt Connection → Vuam (yog tias xav tau)

Cov ntsiab lus tseem ceeb ntawm installation:

Ua ntej lifting, muab ob npaug rau-xyuas cov kev txhawb nqa centerline, qhov siab, thiab embedded ib feem txoj hauj lwm;
Txuas cov hlua qhia cua (taglines) thaum nqa kom ruaj khov;
Kho thiab ruaj ntseg ib ntus ntawm lub truss txoj cai tom qab muab tso rau kom tsis txhob khoov los yog distortion;
High-strength bolt kev sib txuas yuav tsum ua raws li kev tsim thiab kev cai thiab yuav tsum nruj rau qhov yuav tsum tau torque;
Weld zoo yuav tsum ua raws li cov cai hauv Txoj Cai rau Kev Txais Kev Tsim Kho Zoo ntawm Cov Qauv Hlau (GB 50205).

Cov ntsiab lus tseem ceeb soj ntsuam (Site duab):

1. Kev them nyiaj yug & Kev kuaj xyuas

Tshawb xyuas cov haujlwm thiab qhov siab ntawm kev txhawb nqa bolts, shim daim hlau, thiab cov khoom sib txuas kom paub tseeb tias lawv ua tau raws li cov qauv tsim.

2. Truss Alignment Check

Siv tag nrho qhov chaw nres tsheb los ntsuas qhov nruab nrab, qhov siab, thiab khoov ntawm lub truss, thiab ua kom muaj kev sib haum xeeb.

3. High-Strength Bolt Check

Txheeb xyuas tus naj npawb, qhov loj me, thiab lub zog ntawm lub zog bolts, thiab rov sim dua raws li qhov yuav tsum tau ua los ntawm cov cai.

Nco tseg:Lub truss qauv nyob rau hauv qhov project no yog pre-assembled nyob rau hauv lub Hoobkas thiab lifted nyob rau hauv seem ntawm qhov chaw kom paub meej installation, zoo, thiab kev nyab xeeb.

7. Hlau Ncej & Profiled Hlau Roof Sheet Installation thiab tshuaj xyuas

Steel ncej Installation thiab tshuaj xyuas

(Cov ntawv cim: Beam Lifting, Positioning, High-Strength Bolts, Vertical & Height Check, Joint Quality Check)

1. Xaus Xaus Xaus:Tshawb xyuas cov khoom zoo, qhov loj me, qhov chaw saum npoo, thiab qhov ncaj. Nruab tsuas yog tom qab dhau kev kuaj xyuas.

2. Txheej txheem tswj:Tswj ib feem ntawm qhov chaw, qhov siab, kev sib dhos ntsug, thiab ntsia liaj qhov rooj zawm thaum lub sijhawm teeb tsa.

3. Cov khoom soj ntsuam:Centerline txoj hauj lwm, qhov siab, ntsug alignment, nto flatness, thiab bolt kev twb kev txuas zoo.

4. Tus Qauv Zoo:Yuav tsum ua kom tau raws li Txoj Cai Kev Txais Kev Tsim Kho Zoo ntawm Cov Qauv Hlau (GB 50205-2020).

Profiled Hlau Roof Sheet Installation & Tshuaj xyuas

(Cov ntawv cim: Hlau Roof Sheet, Lap Joint, Self-Tapping Ntsia Hlau Kho, Flashing Trim)

1. Khoom siv:Xyuas lub vaj huam sib luag profile, thickness, txheej, thiab xim. Siv tsuas yog tom qab dhau kev kuaj xyuas.

2. Cov cai ntawm kev teeb tsa:Sib tshooj ntawm cov panels kom raug thiab kho kom ruaj khov. Khaws cov ntsia hlau sib nrug nyob rau hauv cov txheej txheem txwv, tsis muaj qhov ploj los yog qhov chaw tsis raug.

3. Cov khoom soj ntsuam:Ru tsev flatness, overlap width, fastening point spacing, thiab waterproofing cov ntsiab lus.

4. Tus Qauv Zoo:Yuav tsum ua raws li Txoj Cai Kev Cai rau Hlau Roof Engineering (GB 50345-2012).

8. Steel ncej Installation thiab tshuaj xyuas - Steel Stairs thiab Handrail Installation

1. Ua tiav Steel Stairs thiab Handrails (Site Diam duab)

2. 3D BIM Model (Steel Stairs thiab Handrails)

3. Steel Stair Installation (Qhov Chaw Ua Haujlwm)

4. Kev teeb tsa ntawm tes (Qhov Chaw Ua Haujlwm)

5. Kev soj ntsuam xyuas qhov zoo (Qhov Chaw Tshawb Xyuas)

Cov lus qhia:

Ua ntej txhim kho steel ntaiv thiab tes tuav, muab ob npaug rau-kos qhov loj me, qhov siab, thiab layout centerlines;
Thaum siv cov kev sib txuas bolted, xyuas cov ntsia liaj qhov rooj loj, qhov ntau, thiab torque kom muaj kev sib txuas ruaj khov;
Cov ntsia hlau ntsia hlau yuav tsum ruaj thiab ncaj, nrog rau tag nrho thiab du welds uas ua tau raws li kev tsim thiab kev cai;
Ua ib qho kev soj ntsuam zoo tom qab kev teeb tsa thiab sau cov ntaub ntawv tshuaj xyuas kom ntseeg tau tias qhov project zoo.

Cov txheej txheem kev tsim kho rau cov qauv hlau (Steel Frames)

Steel qauvestau siv dav hauv kev lag luam niaj hnub no los tsim cov thav ntawv, thiab lawv yuav dhau los ua qhov kev xaiv tseem ceeb rau cov qauv tsim hauv lub neej yav tom ntej. Cov qauv hlau muaj ntau yam sub-qib, hom qauv, thiab cov khoom siv. Raws li cov qauv txheej txheem, lawv tau muab faib ua plaub hom: portal thav duab, qhov chaw grids, trusses, thiab thav duab qauv.