Retrieved 24 September 2016. Medium dense to pretty loose granular silty sands (Maritime Deposits) are underlain by successions of extremely weak to weak sandstone interbedded with very weakly cemented sand, gypsiferous fine-grained sandstone/siltstone, and weak to reasonably weak conglomerate/calcisiltite. ^
فندق وريزيدنس باكارات دبي, برج خليفة, دبي وسط المدينة, دبي
تأمّل المناظر الخلابة والمعالم السياحية التي تخطف الأنفاس
وكان بناء برج خليفة تحديًا هندسيًا كبيرًا، نظرًا لارتفاعه الهائل وتصميمه المعقد.
The regularity from the concrete Employed in the undertaking was essential. It had been difficult to develop a concrete that might endure each the Many tonnes bearing down on it and Persian Gulf temperatures that could get to fifty °C (122 °F). To overcome this issue, the concrete was not poured during the day.
صفحه‌هایی برای ویرایشگرانی که از سامانه خارج شدند بیشتر بدانید مشارکت‌ها
Not which the architects didn’t have to windproof the matter. They put versions in a wind tunnel to measure vibrations within the strong gusts that blow earlier the constructing’s upper flooring and compensated because they went. It took some time.
دبي اكتشف أسرار أتلانتس أكوافنتشر: اكبر مدينة مائية في العالم !
يحمل برج خليفة العديد من الأرقام القياسية العالمية وفقًا لموسوعة جينيس نور الامارات للأرقام القياسية، ومن بين هذه الأرقام القياسية:
برج خلیفه در ابتدا با نام « شیخ خلیفه بن زاید» شناخته می‌شد اما در روز افتتاحیه توسط محمد بن راشد آل مکتوم، نام آن به افتخار محسن عباسی، به «برج محسن خان » تغییر کرد.
Distinctive mixes of concrete ended up produced to withstand the intense pressures of The large أسعار إيجار الشقق في برج خليفة making body weight; as is standard with strengthened concrete building, Each individual batch of concrete was examined to guarantee it could withstand certain pressures.
flower. The Y-formed prepare performs a central position inside the reduction of wind forces over the tower. A hexagonal central core is buttressed by a number of wings, Every with its have concrete core and perimeter columns. As being the tower raises in peak, the wings action again in the spiral configuration, changing the constructing’s shape at Every tier and so minimizing the outcome in the wind to the developing. The central Main emerges within the tower’s top and it is completed which has a spire, which reaches over 700 ft (two hundred meters). The spire was manufactured inside the tower and hoisted to its ultimate situation employing a hydraulic pump.
At some time of its completion, the Burj Khalifa held a total of eight globe documents, اضغط هنا which include Those people for that tallest making, the longest elevator journey distance, and the highest habitable floor.
للمراجعة أنظر صفحة برج خليفة على ويكيبيديا الإنجليزية ورد :