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A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. A pile or piling is a vertical structural element of a deep foundation, driven or drilled deep into the ground at the building site.

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  • الأساسات العميقة عندما تكون التُّربَة التَّحتيَّة للمنشأ ضَعيفة، أو وجودُ أحمال تصْميميَّة كبيرة على المنشأ، أو كِلاهما، بحيث لا تقْدرالتُّربَة على تحَمّل المنشأ على أُسس سطحيّة، فإِن عُمْقَ الأَساس يزْداد حتّى الْوُصول إِلى طبقة صخريّة مناسبة. يُمكن تصنِيف أَنواع الأُسس العميقة بأَكتر من طريقة، إِذ يُمْكن تصنيفها حسب وَظيفتِها إِلى: أوتاد تَحمّل وأوتاد احْتِكاك وأوتاد مُحَمّلَة جانِبيّا وأوتاد شَدٍّ وَ أوتاد رَصٍّ وأوتاد سانِدَةٍ، أَو حسب طريقة صَبّها فيمكن أَن تكون مُسبقة الصَّبِ أَوْ تُصَبَّ مَوْقعيّا. تُصْنعُ الْأُسُسُ الْعَميقَةُ عادة من خَشب البناء والحديد والخَرَسانة المُسَلّحَة وَالْخَرَسانة مُسبقة الإِجْهاد. (ar)
  • Die Tiefgründung beschreibt ein Bauverfahren, um die Bauwerkslasten nicht direkt unterhalb des Bauwerks in den Untergrund zu leiten (wie bei der Flachgründung), sondern über zusätzliche senkrechte Elemente tiefer in die Erde abzuleiten und dort abzutragen. Eine Tiefgründung wird dann erforderlich, wenn die oberflächennahen Schichten nicht tragfähig genug sind. Man unterscheidet die Tiefgründungen nach ihren Tragelementen: (de)
  • A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. A pile or piling is a vertical structural element of a deep foundation, driven or drilled deep into the ground at the building site. There are many reasons that a geotechnical engineer would recommend a deep foundation over a shallow foundation, such as for a skyscraper. Some of the common reasons are very large design loads, a poor soil at shallow depth, or site constraints like property lines. There are different terms used to describe different types of deep foundations including the pile (which is analogous to a pole), the pier (which is analogous to a column), drilled shafts, and caissons. Piles are generally driven into the ground in situ; other deep foundations are typically put in place using excavation and drilling. The naming conventions may vary between engineering disciplines and firms. Deep foundations can be made out of timber, steel, reinforced concrete or prestressed concrete. (en)
  • Fondasi dalam adalah jenis fondasi dibedakan dari dengan kedalaman mereka tertanam ke dalam tanah. Ada banyak alasan seorang akan merekomendasikan fondasi dalam ke fondasi dangkal, tetapi beberapa alasan umum adalah beban desain yang sangat besar, tanah yang buruk pada kedalaman dangkal, atau kendala situs (seperti ). Ada istilah yang berbeda digunakan untuk menggambarkan berbagai jenis fondasi yang mendalam, termasuk tumpukan (yang analog dengan tiang), tiang jembatan (yang analog dengan kolom), poros dibor, dan . Tumpukan umumnya didorong ke dalam tanah di situ; fondasi mendalam lainnya biasanya diletakkan di tempat dengan menggunakan dan pengeboran. Konvensi penamaan dapat bervariasi antara disiplin ilmu teknik dan perusahaan. Pondasi dalam dapat terbuat dari kayu, baja, beton bertulang dan . (in)
  • Si definiscono fondazioni profonde o fondazioni indirette, con riferimento alle opere di ingegneria civile, quella classe di fondazioni realizzate con il raggiungimento di profondità considerevoli rispetto al piano campagna.Convenzionalmente la fondazione è identificata come profonda se il piano di posa è collocato a più di 4 volte la misura minore della dimensione di base.Può capitare che l'entità eccessiva dei carichi, in presenza di caratteristiche meccaniche scadenti del terreno, riveli l'inadeguatezza delle fondazioni superficiali. Si ricorre, in tal caso, a fondazioni profonde, opere senz'altro più costose e complesse, per la tecnologia utilizzata, che richiedono più competenza del personale impiegato, sia nella progettazione che nella realizzazione. La fondazione può fornire la portanza richiesta in tre modi: * portanza di base: la fondazione, raggiungendo la profondità voluta, si attesta su uno strato di terreno di elevata capacità portante; * portanza laterale: la fondazione sfrutta l'attrito della sua superficie laterale con il terreno, per raggiungere il grado di portanza richiesto dal progetto; * portanza di base sommata a portanza laterale: la fondazione sfrutta al massimo la portanza dello strato più profondo ed anche l'attrito laterale con il terreno. Le tipologie di fondazioni profonde sono essenzialmente: * palo di fondazione * micropalo * Questo genere di fondazioni è usato piuttosto spesso in caso di costruzioni in forte pendio, in presenza di zone di scarsa portanza, in zona sismica, in presenza di strutture molto elevate, come nel caso del grattacielo. (it)
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  • Die Tiefgründung beschreibt ein Bauverfahren, um die Bauwerkslasten nicht direkt unterhalb des Bauwerks in den Untergrund zu leiten (wie bei der Flachgründung), sondern über zusätzliche senkrechte Elemente tiefer in die Erde abzuleiten und dort abzutragen. Eine Tiefgründung wird dann erforderlich, wenn die oberflächennahen Schichten nicht tragfähig genug sind. Man unterscheidet die Tiefgründungen nach ihren Tragelementen: (de)
  • الأساسات العميقة عندما تكون التُّربَة التَّحتيَّة للمنشأ ضَعيفة، أو وجودُ أحمال تصْميميَّة كبيرة على المنشأ، أو كِلاهما، بحيث لا تقْدرالتُّربَة على تحَمّل المنشأ على أُسس سطحيّة، فإِن عُمْقَ الأَساس يزْداد حتّى الْوُصول إِلى طبقة صخريّة مناسبة. يُمكن تصنِيف أَنواع الأُسس العميقة بأَكتر من طريقة، إِذ يُمْكن تصنيفها حسب وَظيفتِها إِلى: أوتاد تَحمّل وأوتاد احْتِكاك وأوتاد مُحَمّلَة جانِبيّا وأوتاد شَدٍّ وَ أوتاد رَصٍّ وأوتاد سانِدَةٍ، أَو حسب طريقة صَبّها فيمكن أَن تكون مُسبقة الصَّبِ أَوْ تُصَبَّ مَوْقعيّا. (ar)
  • A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. A pile or piling is a vertical structural element of a deep foundation, driven or drilled deep into the ground at the building site. (en)
  • Fondasi dalam adalah jenis fondasi dibedakan dari dengan kedalaman mereka tertanam ke dalam tanah. Ada banyak alasan seorang akan merekomendasikan fondasi dalam ke fondasi dangkal, tetapi beberapa alasan umum adalah beban desain yang sangat besar, tanah yang buruk pada kedalaman dangkal, atau kendala situs (seperti ). Ada istilah yang berbeda digunakan untuk menggambarkan berbagai jenis fondasi yang mendalam, termasuk tumpukan (yang analog dengan tiang), tiang jembatan (yang analog dengan kolom), poros dibor, dan . Tumpukan umumnya didorong ke dalam tanah di situ; fondasi mendalam lainnya biasanya diletakkan di tempat dengan menggunakan dan pengeboran. Konvensi penamaan dapat bervariasi antara disiplin ilmu teknik dan perusahaan. Pondasi dalam dapat terbuat dari kayu, baja, beton bertul (in)
  • Si definiscono fondazioni profonde o fondazioni indirette, con riferimento alle opere di ingegneria civile, quella classe di fondazioni realizzate con il raggiungimento di profondità considerevoli rispetto al piano campagna.Convenzionalmente la fondazione è identificata come profonda se il piano di posa è collocato a più di 4 volte la misura minore della dimensione di base.Può capitare che l'entità eccessiva dei carichi, in presenza di caratteristiche meccaniche scadenti del terreno, riveli l'inadeguatezza delle fondazioni superficiali. Si ricorre, in tal caso, a fondazioni profonde, opere senz'altro più costose e complesse, per la tecnologia utilizzata, che richiedono più competenza del personale impiegato, sia nella progettazione che nella realizzazione. (it)
rdfs:label
  • أساس عميق (ar)
  • Tiefgründung (de)
  • Deep foundation (en)
  • Fondasi dalam (in)
  • Fondazioni profonde (it)
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