Pile Foundation Testing & Defective Pile Treatment Standard Knowledge

 

Pile Foundation Testing & Defective Pile Treatment Standard Knowledge

Pile lub hauv paus yog lub hauv paus tseem ceeb zais cov kabmob ntawm cov tsev siab - nce siab, txuas hniav, kev thauj mus los hauv nroog thiab cov haujlwm sab nrauv. Vim muaj kev nyuaj geological tej yam kev mob, ntawm - qhov kev tsim kho tsis paub meej thiab tib neeg kev ua haujlwm sib txawv, cov khoom tsis zoo xws li pawg tawg, voids, kev sib cais, cov kab nrib pleb thiab cov av ntau dhau feem ntau tshwm sim thaum pawg tsim. Kev soj ntsuam hauv paus hauv paus, kev txiav txim siab tsis raug thiab cov txheej txheem kev kho kab mob tsis zoo yog qhov tseem ceeb txuas los xyuas kom muaj kev nyab xeeb ntawm cov qauv, ua tau raws li cov qauv kev lees paub thiab tsis txhob muaj teeb meem loj hauv engineering. Tsab ntawv xov xwm no tau txheeb xyuas cov txheej txheem kev sim cov paib, hom kev tsis sib xws, kev soj ntsuam kev phom sij thiab kev ntsuas pov tseg, ua tiav cov txheej txheem ntawm pawg tswj hwm kev tswj hwm kev qhia tshwj xeeb.

1. Cov Txheej Txheem Txheej Txheem Kev Ntsuas Zoo

Txhawm rau kom paub tseeb qhov tseeb, kev muaj peev xwm thiab cov qauv sib xws ntawm cov cam khwb cia- hauv - qhov chaw pawg, peb qhov project siv ntau-dimensional sib xyaw ua ke, suav nrog kev kuaj xyuas kev ncaj ncees thiab kev txheeb xyuas qhov muaj peev xwm zoo li qub, los xyuas kom meej qhov kev soj ntsuam zoo ntawm pawg.

Hla -Hole Sonic Logging (CSL)
Raws li qhov siab -precision internal soj ntsuam txoj kev rau loj - txoj kab uas hla tseem ceeb pawg, nws paub tag nrho - qhov tob scanning ntawm pawg pob zeb. Nws raug txheeb xyuas cov teeb meem me me xws li cov voids sab hauv, honeycombing, kev sib cais thiab kab rov tav kab nrib pleb, thiab yog lub hauv paus tseem ceeb rau kev faib qib ntawm pawg kev ncaj ncees.

Tsawg-Kev Ntsuas Pile Integrity Test
Nws yog muaj feem xyuam rau kev soj ntsuam ceev batch ntawm cov pa pawg, txiav txim tag nrho pawg ntawm lub cev kev ncaj ncees, tawg pawg teeb liab thiab macroscopic defect faib, realizing ceev soj ntsuam ntawm batch pawg zoo.

Siab -Kev Ntsuas Dynamic
Ntsuam xyuas pawg lub cev kev ncaj ncees thiab ib pawg ntsug compressive bearing muaj peev xwm synchronously, txheeb xyuas pawg hauv paus dynamic kev ua tau zoo thiab kev tsim vaj huam sib luag, thiab muab cov ntaub ntawv soj ntsuam kev nyab xeeb dynamic rau engineering pawg.

Static Load Test
Nws yog txoj kev pov thawj tshaj plaws rau pawg kabmob muaj peev xwm. Los ntawm kev ntsuas qhov ntsuas qhov ntsuas, nws raug txheeb xyuas qhov kawg ntawm cov kabmob muaj peev xwm, kev sib haum xeeb deformation thiab kev ruaj ntseg ntawm ib pawg, uas yog tus qauv lees txais zaum kawg rau cov haujlwm tseem ceeb.

2. Hom Pile Defects Hom & Tsim Ua

Ua ke nrog ntev - lub sij hawm kev xeem engineering kev paub, pawg hauv paus zoo tsis xws luag raug muab sau ua ke rau hauv ib pawg, nrog rau kev tsom xam pom tseeb los taw qhia lub hom phiaj rectification thiab tiv thaiv.

Pile Pile / Pile Lub Cev Fracture
Cov laj thawj tseem ceeb muaj xws li kev vibration hnyav thaum lub sij hawm rub tawm, cov av extrusion ntau dhau, cov pob zeb tsis sib xws, thiab kev ntxhov siab thaum ntxov ntawm cov pawg tsim tshiab. Cov pawg tawg yuav ncaj qha cuam tshuam rau cov kabmob, uas ua rau muaj kev phom sij loj ntawm lub hauv paus kev sib haum xeeb thiab kev tsis sib haum xeeb.

Qhob Segregation & Loose Aggregate
Ua los ntawm cov pob zeb tsis tsim nyog slump, ntev lub sij hawm pouring, dej seepage nyob rau hauv lub qhov thiab tsis zoo yeeb nkab sealing. Cov pob zeb tsis ntom ntom, cov tshuaj khib thiab cov khoom sib xyaw tau sib cais, ua rau lub zog hauv zos txo qis ntawm lub cev thiab tsis zoo tag nrho.

Voids & Honeycomb Defects
Ua los ntawm cov dej tsis txaus, thaiv cov kav dej, cov khoom siv tsis ruaj khov thiab kev tu lub qhov tsis tiav. Cov voids hauv zos hauv pawg txo cov kev coj tus kheej zoo thiab yooj yim tsim cov ntsiab lus kev ntxhov siab.

Ntau Cov Pile Tip Sediment & Tsis muaj zog Interlayer
Qhov tsis huv hauv qab ntxuav thiab lub sijhawm tos ntev ua ntej nchuav ua rau cov av nplaum ntau dhau, tsim cov txheej txheem tsis muaj zog ntawm cov kab lus, uas cuam tshuam rau qhov kawg -cov kabmob muaj peev xwm ntawm pawg hauv paus thiab ua rau muaj kev sib haum xeeb ntau dhau hauv kev ua haujlwm tom qab.

Pile Shrinkage & Diameter txo qhov tsis xws luag
Ua los ntawm cov av mos txheej shrinkage, unbalanced lub ntiaj teb siab thiab unstable casing. Pile lub cev txoj kab uas hla yog tsis txaus nyob rau hauv lub zos, txo cov ntsug bearing thiab lateral tsis kam ntawm pawg pawg.

3. Engineering Hazards of Defective Piles

Pile foundation defects yog ib qho teeb meem tsis zoo ntawm engineering. Cov teeb meem me me yuav cuam tshuam rau qhov kev lees txais, thaum cov pawg loj loj yuav ua rau muaj kev pheej hmoo loj hauv engineering.

Cov kev tsis muaj zog hauv zos yuav ua rau cov kab nrib pleb tsis sib haum ntawm pawg pawg, kev sib haum xeeb ntawm lub hauv paus tsis sib haum thiab kev sib tsoo ntawm cov txheej txheem superstructure. Cov teeb meem loj xws li pawg tawg thiab loj - thaj chaw tsis muaj chaw yuav ua rau tsis muaj peev xwm ntawm ib pawg kabmob, tag nrho lub hauv paus qaij thiab kev nyab xeeb ntawm cov qauv. Cov pawg uas tsis tau ua tiav yuav ua rau ntev - lub sij hawm qaug zog txaus ntshai thiab zais teeb meem kev nyab xeeb rau tag nrho lub neej voj voog ntawm lub tsev.

4. Txuj kev faib & pov tseg cov hauv paus ntsiab lus ntawm cov khoom puas

Raws li kev soj ntsuam cov ntaub ntawv waveform, qhov chaw tsis raug, qhov tsis xws luag thiab cov kabmob muaj peev xwm txheeb xyuas cov txiaj ntsig, cov pawg tsis raug raug cais raws li kev tshawb fawb, thiab kev pov tseg hierarchical yog siv los xyuas kom meej engineering kev nyab xeeb thiab kev lag luam rationality.

Qib Ⅰ Pile (Integrity Pile)
The pile body is complete, the concrete is uniform and dense, no abnormal defects, and the bearing capacity meets the design requirements, which can be directly accepted and used.

Qib Ⅱ Pile (Slight Defect Pile)
Muaj cov teeb meem me me hauv zos xws li cov voids me me thiab cov pob zeb me me tsis sib xws, uas tsis cuam tshuam rau tag nrho cov kabmob kev ua haujlwm thiab kev ruaj ntseg ntawm pawg. Tom qab cov ntaub ntawv sau tseg thiab kev pom zoo, lawv tuaj yeem txais ib txwm tsis muaj kev kho mob.

Qib Ⅲ Pile (Pile loj heev)
Muaj cov teeb meem pom tseeb xws li kev sib cais hauv zos, ib feem ntawm txoj kab uas hla txo qis thiab qhov tsis sib haum ntawm qhov tawg, uas muaj kev cuam tshuam rau kev ua haujlwm ntawm cov kabmob ib nrab. Nws yog ib qho tsim nyog los tsim cov txheej txheem kho mob ntxiv thiab rov- tshuaj xyuas tom qab kev kho mob ua ntej txais.

Qib Ⅳ Pile (Failed Pile)
Cov teeb meem loj xws li pawg tawg, loj - thaj chaw tsis muaj chaw, kev sib cais hnyav thiab tsis tsim nyog muaj peev xwm tshwm sim. Lub hauv paus pawg ua tsis tau raws li qhov yuav tsum tau ua thiab yuav tsum tau tsis lees paub, rov tsim kho lossis ua kom tiav.

5. Cov Txheej Txheem Kev Kho Mob rau Cov Pleev Tsis Zoo

Lub hom phiaj ntawm qhov txawv ntawm qhov tsis xws luag thiab qib tsis zoo, peb txais cov txheej txheem pov tseg cov txheej txheem los xyuas kom meej tias cov khoom siv kho tau ua tau raws li tus qauv tsim thiab kev lees paub.

Grouting Reinforcement Technology
Rau cov voids sab hauv, cov pob zeb xoob thiab cov kev sib cais hauv cheeb tsam, siab -cov cement grouting yog siv los sau cov qhov khoob hauv, cov qhob xoob xoob xoob, txhim kho pawg lub cev compactness thiab rov ua kom muaj zog.

Pile Top Chiping & Kho
Lub hom phiaj ntawm pawg sab saum toj laitance, xoob txheej thiab tsis txaus pawg sab saum toj lub zog, chipping thiab re-poov siab- lub zog kho pob zeb yog ua los xyuas kom meej qhov kev sib txuas ntawm pawg saum toj thiab bearing platform.

Core Drilling & Secondary Grouting
Rau qhov sib sib zog nqus sab hauv ntawm lub cev tsis xws luag, qhov tseem ceeb drilling nrhiav tau ua ntej kom paub meej txog qhov tsis xws luag, thiab tom qab ntawd cov phiaj xwm grouting thiab compaction kho yog ua los kho qhov kev ncaj ncees ntawm pawg pawg.

Pile Extension & Supplemental Pile Kev Tsim Kho
Rau cov pawg uas tsis muaj qhov ntev txaus thiab tsis tsim nyog cov kabmob muaj peev xwm, pawg txuas ntxiv kev txhawb nqa lossis kev tsim kho pawg ntxiv tau txais los ua kom zoo rau pawg pawg kev ntxhov siab thiab ua kom lub hauv paus tsis sib xws.

Pile Abandonment & Reconstruction
Rau Qib Ⅳ ua tsis tiav pawg uas muaj qhov tsis zoo heev thiab kev ua haujlwm tsis zoo, cov txheej txheem kev tso tseg raug ua tiav, thiab cov pawg tshiab tau tsim dua tshiab kom tshem tawm cov kev nyab xeeb ntawm lub hauv paus.

6. Ua ntej-Control Measures kom tsis txhob muaj qhov tsis xws luag

Raws li kev paub txog kev kho mob tsis zoo, kev tsim kho tus qauv thiab ua ntej - tswj kev tswj hwm yog txoj hauv kev los txo cov kab mob tsis zoo.

nruj me ntsis siv lub qhov ntxuav thiab soj ntsuam sediment ua ntej pouring, tswj cov pob zeb slump thiab pouring continuity, standardize conduit lifting thiab yeeb nkab rub lub lag luam, tsis txhob cia li nres ntawm pouring, thiab xyuas kom meej nruam thiab ntom pawg. Npaj cov neeg ua haujlwm tshwj xeeb los saib xyuas tag nrho cov txheej txheem ntawm kev tsim kho pawg hauv paus, paub tiag tiag- lub sijhawm ceeb toom ntxov ntawm kev ua haujlwm tsis zoo, thiab txo qis kev tsim cov pawg tsis raug.

7. Cov ntsiab lus zoo

Pile foundation kuaj thiab kho cov kab mob tsis zoo yog qhov tseem ceeb ntawm kev sib txuas hauv lub hauv paus engineering zoo tswj. Kev ntsuam xyuas kom raug thiab kev muab qhab nia ntawm kev tshawb fawb tuaj yeem txheeb xyuas qhov kev phom sij hauv lub hauv paus, thiab cov qauv kev pov tseg tuaj yeem ua kom ntseeg tau tias txhua lub hauv paus pawg ua tau raws li cov qauv kev nyab xeeb thiab tsim kev lees paub. Los ntawm kev xeem zoo tshaj plaws, kev txiav txim siab tsis raug thiab cov cuab yeej siv dag zog zoo, peb paub tag nrho - lub neej kev tswj hwm ntawm pawg hauv paus engineering, muab lub hauv paus ruaj khov thiab txhim khu kev ruaj ntseg lav rau txhua yam ntawm cov phiaj xwm kev tsim kho, thiab ua kom ntev - lub sijhawm ua haujlwm ruaj khov ntawm cov txheej txheem engineering.