Tus Qauv Tsim Ntawm A 18m × 55m × 6m Steel Warehouse Rau Papua New Guinea Nrog 5-Ton Nyiaj Siv Ua Haujlwm Crane

Kev tsim qauv tsim ntawm 18m × 55m × 6m Steel Warehouse rau Papua New Guinea nrog 5-Ton Nyiaj Siv Ua Haujlwm Crane, Lub Tsev Qhov Muag, thiab Skylights

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Qhov chaw: Papua New Guinea (PNG)

Kev nyab xeeb: Cua sov; tsis muaj daus, negligible seismic kev ua si

Cua Ceev: 120 km/h (≈33.3 m/s) → Basic cua siab ≈ 0.7 kN/m² (ib AS/NZS 1170.2 los yog sib npaug zos code)

Tsev Dimensions:

Luas : 18 m

Ntev: 55 m

Qhov siab: 6m

Roof Pitch: 5℃(tus qauv rau kev tso dej; nce ≈ 0.8 m ntawm nruab nrab - ncua)

Phab ntsa & ru tsev Cladding: 0.45 hli ua ntej- pleev xim rau corrugated steel ntawv (ib daim tawv nqaij)

Khoom siv sab hauv: Ib qho 5-tuj hluav taws xob nyiaj siv ua haujlwm crane (EOT), ncua ≈ 16.5 m, cov kab ciav hlau khiav tau txhawb nqa los ntawm cov kab tseem ceeb

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Main Ncej: Rigid portal frames spaced at 7.86 m intervals (7 bays tshaj 55 m ntev → 8 thav ntawv tag nrho, kev xaiv yuav yog 9 bays hauv 6.11m txhua lub bay).

Frame Configuration:

Kem: CBC customized H seem (welded phaj seem)

Rafters: Tapered ua -nce I-sections

Base: Pinned los yog taag puag (tso nyiam rau crane loads) embedded rau hauv cov pob zeb ua pob zeb

Crane Runway System:

Crane runway beams: HEA / UB 300-350 (nyob ntawm cov qauv deflection)

Bracket sib txuas welded rau kem flanges ntawm ~ 5.5 m qhov siab

Crane rail: Txheem QU70 lossis zoo sib xws

Bracing: Kab rov tav thiab ntsug bracing nruab nrab ntawm txoj kab ciav hlau

 

 

Purlins: C-sections (C200 × 60 × 20 × 2.5 mm) @ 1.5 m nrug ntawm lub ru tsev

Cov tsho: C-sections (C150 × 60 × 20 × 2.0 mm) @ 1.2 m ntsug qhov nrug ntawm phab ntsa

Bracing System:

ru tsev: X-bracing nyob rau hauv kawg bays + longitudinal bracing raws ridge/eaves

Phab ntsa: Hla-bracing hauv gable kawg thiab ib sab phab ntsa

Tag nrho cov bracing: Ø12-16 mm steel rods los yog lub kaum sab xis

 

 

Cov tshuab ua pa: Nruam ridge ventilator (polycarbonate lossis hlau) - 55 m ntev

Skylights: Translucent FRP lossis polycarbonate panels sib xyaw ua ke txhua 3rd purlin bay (~ 4.5 m nrug), npog ~ 10% ntawm lub ru tsev → approx . 100 m²

 

 

Reinforced qhob pad footings nyob rau hauv txhua kem (loj kwv yees ntawm 2.0 m × 2.0 m × 0.8 m sib sib zog nqus, nyob ntawm seb cov av muaj peev xwm ntau dua lossis sib npaug li 100 kPa)

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Tuag Load (DL):

Ru tsev cladding + purlins: 0.12 kN / m²

Crane girder + rail: 0.5 kN / m (kab thauj khoom ntawm kab)

Nyob Load (LL): Maintenance load=0.25 kN/m² (tsis yog -ru tsev)

Cua Load (WL):

Basic ceev ceev q=0.613 × V² (V in m/s) → q ≈ 0.68 kN/m²

Sab nraud siab coefficient (Cp):

Phab ntsa cua ntsawj ntshab: +0.7

Cov phab ntsa: -0.5

Ru tsev (5℃txoj kab nqes): -0.9 (suction)

Sab hauv siab: ± 0.2 (xav tias ib nrab qhib lub tsev)

Net tsim siab ≈ 1.0-1.2 kN / m² (tseem ceeb nqus ntawm lub ru tsev)

Crane Load:

Ntsug: 50 kN (5 t) + qhov cuam tshuam (25%) → 62.5 kN ib lub log

Lateral: 10% ntawm lifted load → 5 kN ib lub log

Ntev: 5% braking quab yuam

 

 

Portal Ncej: Tsim los ua ke lub ntiajteb txawj nqus + cua + crane loads siv thib ob - kev soj ntsuam kev txiav txim (P-Δ cuam tshuam)

Deflection txwv:

Lub Tsev: L / 180 hauv qab cua

Crane khiav: L / 600 nyob rau hauv ntsug load

Local Buckling: Web stiffeners ntawm crane bracket qhov chaw

Kev sib txuas: Welded lub caij sib txuas ntawm rafter-kem pob qij txha; bolted splices rau kev thauj mus los

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Yam khoom	Kev piav qhia	Ntau	Qhov hnyav (kg / m)	Qhov hnyav tag nrho (kg)
Main Ncej	Tapered I-sections (avg. 110 kg/m)	Luas 8 x (2 x 6 m col + 18.5 m rafter)=236 m	110	25,960
Crane Runway Beams	UB 356 × 171 × 51 (51 kg / m)	2 × 55 m	51	5,610
Purlins	C200 × 2.5 hli	(55/1.5 +1) × 18 m ≈ 684 m	3.2	2,189
Phab ntsa Girts	C150 × 2.0 hli	2×(55+18)×(6/1.2) ≈ 730 m	2.3	1,679
Bracing	Ø16 pas nrig / L50 × 5 lub kaum ntse ntse	~400 m	1, 5av	600
Lub Tsev / Phab ntsa	0.45 hli PPGL	ru tsev: 55 × 18.2 ≈ 1,001 m²; Luas: 2 × (55+18) × 6=876 m²	4.5 kg/m²	8,457
Fasteners, Rails, Accessories	-	-	-	~2,000
Tag Nrho Hlau Qhov hnyav				≈46,495 kg

Lus Cim: Tsis suav nrog lub hauv paus rebar thiab pob zeb.

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Cua Ceev: Mus txog 250 km/h (xws li Typhoon Haiyan) → q ≈ 3.0 kN/m²

Kev hloov pauv tseem ceeb:

Nce lub ntsiab ncej qhov ntau thiab tsawg los ntawm 30-50%

Txo cov ncej ncej qhov sib nrug mus rau 6 m (9 bays) kom zoo dua thauj khoom faib

Siv cov cladding thicker (0.55-0.60 mm) nrog txhim kho fastening (ze dua ntsia hlau sib nrug, cua daj cua dub clips)

Txhim kho lub ru tsev- rau- cov kab txuas txuas (siv cov cleats hloov cov hlua)

Ntxiv bracing (ob qho tib si transverse thiab longitudinal)

Kev nyab xeeb siab dua hauv kev tsim cua uplift (tshwj xeeb tshaj yog ntawm eaves thiab fab)

Xav txog ob npaug - daim tawv nqaij insulated ru tsev kom txo tau cov thermal stress thiab txhim kho durability

 

 

Seismic Coefficient: Sa(T) ≈ 0.6–0.9g (nyob ntawm cov av thiab lub sijhawm)

Kev hloov pauv tseem ceeb:

Hloov los ntawm rigid portal thav duab mus raubraced ncejlos yoglub sij hawm- tawm tsam cov thav duab nrog cov ncauj lus nthuav dav

Siv cov khoom sib xws (tsis yog-tapered) H-sections kom ntseeg tau tias cov yas pob khawm tsim tswj

Lub hauv paus daim hlau tsim rau tag nrho lub sijhawm + shear + uplift los ntawm seismic overturning

Crane kev txhawb nqa yuav tsum tau txwv seismically (snubbers lossis lateral nres)

Lub ru tsev diaphragm yuav tsum ua raws li cov kab rov tav truss → ze purlin qhov sib nrug (1.2 m) thiab muaj zog daim ntawv fastening

Ductility class yuav tsum tau ua raws li AISC 341 lossis hauv zos Chilean code (piv txwv li, siv qis -yield-point steel tsis tso cai)

Lub hauv paus tsim los rau siab uplift thiab zawv zawg tsis kam

Zam cov khoom nkig (piv txwv li, nyias rods); siv cov kaum sab xis los yog cov raj rau bracing

Nco tseg: Hauv thaj chaw seismic, lub crane nws tus kheej yuav xav tau tshwj xeeb thauj tog rau nkoj thiab damping cov kev cai, uas tsis tsim nyog hauv PNG.

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Lub tsev khaws khoom npaj rau Papua New Guinea tau ua kom zoo rau cov cua nruab nrab thiab kev ua haujlwm crane, siv tus nqi - siv tau zoo tapered thav duab thiab lub teeb -gauge cladding. Rau typhoon-ntseeg Philippines, robustness tiv thaiv huab cua huab cua tswj tus tsim, thaum nyob rau hauv seismic Chile, ductility, redundancy, thiab lub zog dissipation ua qhov tseem ceeb tshaj plaws - ua rau cov txheej txheem sib txawv thiab cov khoom siv. Cov cai hauv zos (NSCP rau Philippines, NC rau Chile) yuav tsum tau ua raws li nruj me ntsis hauv txhua kis.