{"id":2980,"date":"2026-09-17T16:36:19","date_gmt":"2026-09-17T08:36:19","guid":{"rendered":"https:\/\/soilimprovementsz.com\/?p=2980"},"modified":"2026-09-17T16:36:20","modified_gmt":"2026-09-17T08:36:20","slug":"9-common-problems-targeted-solutions-for-vacuum-preloading","status":"publish","type":"post","link":"https:\/\/soilimprovementsz.com\/af\/9-common-problems-targeted-solutions-for-vacuum-preloading\/","title":{"rendered":"9 Algemene Probleme & Gerigte Oplossings vir Vacuum Voorlading"},"content":{"rendered":"
\"VacuumVoorlading\"<\/figure>\n\n\n\n

Vakuumvoorlading mag eenvoudig lyk in konstruksie. Egter, swak beheer oor besonderhede kan maklik lei tot kwaliteitprobleme soos onvoldoende vakuumgraad, onvoldoende settlement, luglekkasie en ongelyke konsolidasie, wat die projekaanvaarding sal be\u00efnvloed.<\/p>\n\n\n\n

Nege Mees Voorkomende Kwaliteitfoute in Vakuumvoorlading Konstruksie<\/strong><\/strong><\/p>\n\n\n\n

Probleem 1: Lae of onstabiele vakuumgraad onder die membraan\u00a0<\/strong><\/h2>\n\n\n\n

Oorsake: <\/strong>Beskeie se\u00eblmembrane, swak lasbronne, luglekkasie by grensse\u00eblgrepe en geblokkeerde pypnetwerke. Oplossings: <\/strong>Inspekteer die membrane volledig vir beskadiging en herlas vir lekkasies. Kompakteer se\u00eblgrepe met vogbeheer en beheer streng die konstruksiekwaliteit van se\u00eblwande om styfheid te verseker. Maak dreiningspypnetwerke skoon om lugdigtheid te handhaaf.<\/p>\n\n\n\n

Probleem 2: Ongelyke plaaslike settlement en differensi\u00eble konsolidasie<\/strong>\u00a0<\/h2>\n\n\n\n

Oorsake: <\/strong>Ongelyke spasi\u00ebring van voorafvervaardigde vertikale dreine, onkonsekwente dieptes, geblokkeerde plaaslike pypnetwerke en gestratifiseerde grondeienskappe. Oplossings: <\/strong>Beheer streng die posisie en diepte van dreine, herstel geblokkeerde pypnetwerke, en plaas digter dreine in swak gebiede.<\/p>\n\n\n\n

Probleem 3: Uitpuiling en poelvorming van se\u00eblmembrane<\/strong> <\/h2>\n\n\n\n

Oorsake:<\/strong> Ongelyke terrein, swak dreinering en ongelyke plaaslike negatiewe druk. Oplossings: <\/strong>Voer vooraf fyn terreinvlakwerk uit, optimaliseer dreineringgradient van pypnetwerke, dreineer poelvorming op die membrane betyds, en herstel die membrane indien nodig.<\/p>\n\n\n\n

Probleem 4: Terugtrek, breuk of afwyking van voorafvervaardigde vertikale dreine<\/strong><\/h2>\n\n\n\n

Oorsake:<\/strong> Onjuiste operasie van drein-insetmasjiene, te hard of te sagte grond, oormatige konstruksietempo. Oplossings: <\/strong>Standaardiseer toerustingoperasie, beheer die dryfspoed, en herboor op ongeskikte posisies.<\/p>\n\n\n\n

Probleem 5: Ho\u00eb energieverbruik en lae doeltreffendheid van vakuumpompe<\/strong>\u00a0<\/h2>\n\n\n\n

Oorsake: <\/strong>Afwesigheid van water-gas-skeier, luglekkasie in pypnetwerke en verouderde toerusting. Oplossings: <\/strong>Stel water-gas-skeiersisteme in om verlies deur water-gas-menging te verminder. Inspekteer toerusting gereeld en kontroleer luglekkasiepunte.<\/p>\n\n\n\n

Probleem 6: Oormatige post-kontruksie settlement<\/strong><\/h2>\n\n\n\n

Oorsake: <\/strong>Onvoldoende drukstabilisasietydperk, afskakeling voor die konsolidasiegraad aan die vereistes voldoen, voortdurend lae vakuumgraad. Oplossings:<\/strong> Voer drukstabilisering streng volgens ontwerpvereistes uit. Stop werking slegs wanneer data stabiel is en aan standaarde voldoen.<\/p>\n\n\n\n

Probleem 7: Oormatige horisontale verskuiwing<\/strong> <\/h2>\n\n\n\n

Oorsake: Te vinnige negatiewe drukbelasting en onvoldoende beperkings van die omringende grond. Oplossings: <\/strong>Verhoog vakuumgraad stadig, pas las in fases toe en versterk periferiese monitering.<\/p>\n\n\n\n

Probleem 8: Swak verbeteringseffek aan die rand van versterkingsone<\/strong>\u00a0<\/h2>\n\n\n\n

Oorsake:<\/strong> Onvoldoende grensse\u00ebling en ernstige negatiewe drukafname. Oplossings:<\/strong> Verdiep en verbreed se\u00eblingstegels, en densifiseer prefab vertikale dreinings by grense om negatiewe drukverlies te kompenseer.<\/p>\n\n\n\n

Probleem 9: Onvoldoende konstruksie settlement<\/strong>\u00a0<\/h2>\n\n\n\n

Oorsake: <\/strong>Wyer spasi\u00ebring of onvoldoende diepte van dreinings as ontwerp, onderstand vakuumgraad en onvoldoende volgehoue lastyd. Oplossings: <\/strong>Re\u00ebl prefab vertikale dreinings op ontwerp spasi\u00ebring en diepte. Bou se\u00eblingmure en filterstowwe behoorlik, hou se\u00eblingstegels en membraan in stand om die ontwerp vakuumgraad te bereik. Voer volgehoue las uit soos gespesifiseer en ontlaai slegs nadat aan acceptansie-vereistes voldoen is.<\/p>\n\n\n\n

Bron: Guangzhou Sunzo Foundation Engineering Co., Ltd.<\/strong>
Volg SUNZO vir deurlopende opdaterings oor sagtegrondverbetering<\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Vacuum preloading may seem straightforward in construction. However, poor control over details can easily lead to quality issues such as 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