{"id":2957,"date":"2026-08-27T17:49:43","date_gmt":"2026-08-27T09:49:43","guid":{"rendered":"https:\/\/soilimprovementsz.com\/?p=2957"},"modified":"2026-08-27T17:49:44","modified_gmt":"2026-08-27T09:49:44","slug":"design-basis-and-control-requirements-for-vacuum-preloading-in-soft%e2%80%91ground-improvement","status":"publish","type":"post","link":"https:\/\/soilimprovementsz.com\/af\/design-basis-and-control-requirements-for-vacuum-preloading-in-soft%e2%80%91ground-improvement\/","title":{"rendered":"Ontwerpbasis en Kontroleisende vir Vakuumvoorlading in Saggrondverbetering"},"content":{"rendered":"<p>Daar is geen universele vaste parameters vir vakuumvoorlaai-ontwerp vir sagte grondverbetering nie. Ontwerp moet op \u2019n projekspesifieke basis geformuleer word volgens terrein-geologiese toestande, ontwerptekeninge, lasgrads, konstruksieskedule en terreinomstandighede. Konstruksieparameters en beheerskriteria moet aangepas word om te voldoen aan werklike projekomstandighede, sodat die kwaliteit van grondverbetering, insettingsindikasies en diensveiligheid voldoen aan projekontwerp- en spesifikasievoldoeninge. Algemene ontwerpvereistes word soos volg gespesifiseer:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1024x768.jpg\" alt=\"\" class=\"wp-image-2960\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1024x768.jpg 1024w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-1536x1152.jpg 1536w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1-16x12.jpg 16w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/11\u3001\u771f\u7a7a\u9884\u538b-\u82f1.jpg 1702w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>1. Sitevlakmaakontwerpvereistes<\/strong><\/p>\n\n\n\n<p>\uff081\uff09Voor die formele konstruksie van grondverbetering, voer \u2019n algehele terreinvlakmaak uit binne die sagtegrondbehandelingsone. Verwyder ongelyke boonlaag en herreguleer die terrein om \u2019n netjiese en plat werksoppervlak te bied vir die daaropvolgende PVD-installasie, se\u00eblmembranelegging en vakuumvoorlaai-operasies.<\/p>\n\n\n\n<p>\uff082\uff09Geen vaste standaard geld nie vir terreinvlakmaak nie. Pas fleksibel aan volgens spesiale ontwerp-dokumente en werklike terreinomstandighede om aan die konstruksievereistes van verskillende projekte te voldoen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1.jpg\" alt=\"\" class=\"wp-image-2961\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/1\u3001\u573a\u5730\u5e73\u6574-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>2. Grondverbeteringstegnologie-ontwerpvereistes<\/strong><\/p>\n\n\n\n<p>\uff081\uff09Kies die optimale grondverbeteringstegnologie deur \u2019n omvattende oorweging van projek-geologie, insettingsbeheer-kriteria en konstruksieskedule. Voorgemonteerde Verticale Afvoere (PVD\u2019s) gekombineer met vakuumvoorlaai-konsolidasie is die hoofstroom algemene-tegnologie.<\/p>\n\n\n\n<p>\uff082\uff09Geen vaste waardes word vir tegniese parameters, verbeteringsomvang en konstruksiebeheerskriteria gespesifiseer nie. Voer gerigte optimalisering en aanpassing uit volgens projekontwerp-dokumente, grondlaeverspreiding en grondeienskappe om aan die verbeteringsvereistes van verskeie projekte te voldoen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1.jpg\" alt=\"\" class=\"wp-image-2962\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-300x168.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-768x431.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/2\u3001\u771f\u7a7a\u9884\u538b\u6c34\u8f7d\u9884\u538b-\u82f1-1-18x10.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>3\u3001<\/strong><strong>&nbsp;Voorlaaiperiode en Ontlaai-bevestigingsvereistes<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Die konsolidasieperiode van vakuumvoorlaai moet spesiaal bepaal word op grond van sagtegronddikte, grondeienskappe, konsolidasie-moeilikheid en algehele konstruksieskedule, sonder \u2019n vaste duur.<\/p>\n\n\n\n<p>\uff082\uff09Nadat die terrein die ontwerpte vakuumgraad bereik het, moet volbelastingvoorlaai uitgevoer word. Vir konvensionele projekte moet die volbelastingvoorlaaiperiode beheer word op 90 dae, wat fleksibel aangepas kan word volgens werklike konsolidasiebehoeftes.<\/p>\n\n\n\n<p>\uff083\uff09Voor ontlaai, stel volledige volledige proses-insettingsmonsternemingdata saam en konsolideer acceptatiedokumente. Ontlaai-operasies kan slegs uitgevoer word na gesamentlike verifikasie en goedkeuring deur die eienaar, ontwerper, toesighouer en bouer.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1.jpg\" alt=\"\" class=\"wp-image-2963\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/6\u3001\u6c89\u964d\u89c2\u6d4b2-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>4. Sitevoorbehandeling en Verhoogingsbeheervereistes<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Voor konstruksie, verwyder deeglik rotsblokke, plantwortels, rommel en swak interlae binne die nuutgevulde grond op die terrein, om te voorkom dat swak boonlaag negatiewe impakte op PVD-installasie kwaliteit en grondkonsolidasieprestasie h\u00ea.<\/p>\n\n\n\n<p>\uff082\uff09Na die verwydering van rommel, vlak die terrein tot die ontwerphoogte. Hoogte-afwyking moet voldoen aan projekspesifieke ontwerp- en spesifikasievoldoeninge.<\/p>\n\n\n\n<p>\uff083\uff09Vir konvensionele projekte, moet die hoogte-toleransie binne 10 cm wees. Presisiere\u00ebls kan fleksibel aangepas word volgens die ontwerpstandaarde van verskeie projekte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1.jpg\" alt=\"\" class=\"wp-image-2964\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/4\u3001\u573a\u5730\u9884\u5904\u7406-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>5. PVD-ontwerp- en inspeksievereistes<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Spesifikasies, modelle en uitlegpatrone van voorgemonteerde verticale afvoere moet voldoen aan spesiale projektekeninge. SPB-B of SPB-C PVD\u2019s word algemeen gebruik, gerangskik in vierkantige of verspringende (pruim-blom) patrone. Spasi\u00ebring en penetraatiediepte moet streng volgens profiel- en detailtekeninge gevolg word, en kan volgens terrein-geologiese toestande geoptimaliseer word.<\/p>\n\n\n\n<p>\uff082\uff09 PVD-kwaliteit moet voldoen aan die vereistes van die *Kwaliteitsinspeksiestandaard vir Voorgemonteerde Verticale Afvoere* (JTS\/T 206\u20111\u20112023). Volledige dokumente, insluitend fabrieksertifikate en vervaardiger-selfinspeksieverslae, moet voorsien word tydens materiaalaflewering.<\/p>\n\n\n\n<p>\uff083\uff09 Afgelewerde materiale moet volgens spesifikasies en projekvereistes bemonster en getoets word. Materiale kan slegs in die terreinbou gebruik word nadat dit deur gekwalifiseerde derdeparty-toetsinstellings ge\u00efnspekteer is.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"450\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1.jpg\" alt=\"\" class=\"wp-image-2965\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-300x169.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-768x432.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u5851\u6599\u6392\u6c34\u677f\u65bd\u5de5-\u82f1-1-18x10.jpg 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>6<\/strong><strong>\u3001<\/strong><strong>&nbsp;Webwerf Dreineringstelsel Ontwerpeisings<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Redelik die periferiese oop dreiningsgrawe rangskik deur die topografie van die webwerf, opvanggebiedstoestande en konstruksie-layoutplanne te kombineer.<\/p>\n\n\n\n<p>\uff082\uff09Die afmeting, uitlyning en digtheid van oop grawe moet spesiaal ontwerp word volgens die webwerfgrootte. Wateruitlaatpunte moet in laagliggende areas van die webwerf geplaas word om gladde dreinering te verseker.<\/p>\n\n\n\n<p>\uff083\uff09Verbeter die oppervlak dreineringstelsel om te voorkom dat sagte grond deur wateropvang gesog word, skade aan vakuumdigtingsstruktuur en agteruitgang van voorbelasting-konserweringsprestasie. Dreineringstegnieke kan buigsaam geoptimaliseer word volgens werklike webwerf toestande.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1.jpg\" alt=\"\" class=\"wp-image-2966\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u573a\u5730\u6392\u6c34-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>7<\/strong><strong>\u3001<\/strong><strong>&nbsp;Vakuumgraad en Konsolidasiegraad Beheereisings<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff081\uff09Tydens vakuumvoorbelasting konstruksie, moet vakuum onder die membraan stabiel en eweredig versprei wees. Vir konvensionele projekte, moet vakuumgraad bo 650\u202fmmHg (80\u202fkPa) gehandhaaf word; spesifieke waardes moet volgens spesiale projek\u2011ontwerp indikator wees.<\/p>\n\n\n\n<p>\uff082\uff09Voor ontlading, moet die gemiddelde konsolidasiegraad van grondlae binne die PVD-verbeteringsdiepte aan die ontwerpvereistes voldoen, wat meer as 90\u202f% vir konvensionele projekte moet wees.<\/p>\n\n\n\n<p>\uff083\uff09Indikators vir vakuumgraad en konsolidasiegraad is nie vas nie, en moet afsonderlik aangepas word volgens setel- en funksievereistes van verskillende projekte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1.jpg\" alt=\"\" class=\"wp-image-2967\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-768x576.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/5\u3001\u771f\u7a7a\u9884\u538b\u76d1\u6d4b\u7ef4\u62a4-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>8. Pompoff- en Ontladingbeheervereistes<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\uff082\uff09\u00a0Pompoff- en ontladingstoestande vir vakuumvoorbelasting moet voldoen aan spesiale projek\u2011ontwerp. Ontlading kan slegs uitgevoer word nadat konsolidasie\u2011graad of setel\u2011stabiliteit indikator vervul en deur alle deelnemende partye bevestig is.<\/p>\n\n\n\n<p>\uff082\uff09\u00a0Konvensionele setel\u2011stabiliteitskriteria: wanneer die gemiddelde gemete setel\u2011tempo \u2264\u202f2\u202fmm\/dag vir 7 agtereenvolgende dae is, word die webwerf as basies setel\u2011stabil beskou; pompoff- en ontladingoperasies kan uitgevoer word saam met die konsolidasie\u2011graadresultate.<\/p>\n\n\n\n<p>\uff083\uff09Drempelwaardes vir setel\u2011tempo beheer kan buigsaam aangepas word volgens grondslag\u2011ontwerp grade en setel\u2011limietvereistes van verskillende projekte.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"599\" src=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1.jpg\" alt=\"sagte grond verbetering\" class=\"wp-image-2968\" srcset=\"https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1.jpg 800w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-300x225.jpg 300w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-768x575.jpg 768w, https:\/\/soilimprovementsz.com\/wp-content\/uploads\/2026\/08\/\u771f\u7a7a\u9884\u538b\u76d1\u6d4b-\u82f1-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p><strong>Bron: <\/strong><strong>Guangzhou Sunzo Foundation Engineering Co., Ltd.<\/strong><\/p>\n\n\n\n<p>Volg SUNZO vir deurlopende updates oor sagte grond verbetering kennis, konstruksietegnieke, interpretasie van nuwe tegnologie\u00eb en ingenieurstudies!<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>There are no universal fixed parameters for vacuum preloading design of soft\u2011ground improvement. Design shall be formulated on a project\u2011specific [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2968,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"vacuum preloading,soft ground improvement,prefabricated vertical drain,PVD,soil consolidation,port engineering,and reclamation,geotechnical engineering,SUNZO,prefabricated vertical drain 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