تلتزم الشركة دائمًا بمعدات سحق التعدين ومعدات صنع الرمل ومعدات الطحن الصناعية، وتوفير حلول عالية الجودة للرمل والحصى ومجموعات كاملة من المعدات للمشاريع الهندسية واسعة النطاق مثل الطرق السريعة والسكك الحديدية والمياه والكهرباء، إلخ. ، وتسعى جاهدة لممارسة التصنيع الدقيق المحلي والتخطيط العلمي العالمي، مع اعتبار آسيا المنطقة النائية والعملاء المشعين حول العالم. بعد أكثر من 30 عامًا من التطوير، نجحت العديد من منتجات الشركة في اجتياز العديد من شهادات الجودة الدولية مثل الشهادة الدولية ISO9001:2015، وشهادة الاتحاد الأوروبي CE، وشهادة GOST الروسية. بعد ذلك، في السعي لتحقيق التميز، سنستمر في استخدام منتجات عالية الجودة والتكنولوجيا الاحترافية والخدمات المخلصة لمساعدة العملاء على خلق قيمة أكبر، واستخدام الإجراءات العملية لمواصلة تعزيز البناء البيئي للحضارة الإنسانية.
·The invention of reinforced concrete gave the material a new life It was pioneered in France in the mid 19th century but was popularized by California based engineer Ernest Ransome who poured it onto iron and later steel bars to improve their tensile strength Today and in the future we will continue to use concrete to build innovative
·Made primarily of concrete million cubic feet of travertine and similar amounts of marble stone and timber the Colosseum rose to 157 feet roughly the height of a 15 story building with
3 ·The Long Road to Today s Portland Cement Ancient History Cement has been in use by humans throughout history; variations of the material were used up to 12 000 years ago with the earliest Email 44 333 939 80 83 Login Members Area Member Community About us President s Message; Our Members; Our People
·Concrete is hugely strong under compression good at load bearing like stone but weak at withstanding stresses bending and twisting causes it to fail Engineers spent the next decades developing how concrete could be reinforced Key among them was the Frenchman François Hennebique whose system was the first to be widely used in Britain
·The invention of Portland cement which is a type of artificial cement made by heating limestone clay and other materials allowed for the development of reinforced concrete Reinforced concrete is a type of concrete that has steel rods or mesh embedded within it to increase its strength and durability
·In 1824 Joseph Aspdin invented Portland cement by burning finely ground chalk and clay until carbon dioxide was removed He named his cement Portland after a rock quarry that produced very strong stone This cement was the precursor to modern concrete A mason in Andernach Germany then tried to mix volcanic ash called trass with lime mortar
·Concrete was invented and widely used during the Roman Empire and has been credited with helping to shape the development of Western civilization So when was concrete invented in Ancient Rome A widely accepted theory is that concrete was first created by the Romans around 300 BC Evidence from archaeological sites and artwork from the time
·The Roman aqueduct was a channel used to transport fresh water to highly populated areas Aqueducts were amazing feats of engineering given the time period Though earlier civilizations in Egypt and India also built aqueducts the Romans improved on the structure and built an extensive and complex network across their territories Evidence of aqueducts
·Concrete s invention was made possible by the development of cement and to trace the history of cement we must trace the use of its components The earliest known use of limestone in a structure
·A concrete slab that can resist much higher loads than traditional concrete structures Who would have thought reinforcing steel was the best way to create reinforced concrete Adding rebar alone can improve the durability of concrete under tensile stress Yet post tensioning improves that while adding strength to the concrete through compression
·Another major highlight in the history of concrete remarkable The invention of pre stressed concrete In 1929 Eugène Freyssinet a French engineer transformed the construction industry with his pre stressed concrete invention Besides Eugène Freyssinet is famous for the construction of two huge parabolic airship structures in 1921 in Paris
·The concrete of today concrete with Portland cement was invented in 1824 by Joseph Aspdin The first concrete with limestone however was already used at 6500 BC by the Nabataea traders in today s Syria and Jordan Reinforced concrete was invented and patented by Joseph Louis Lambot in 1848 But how did concrete evolve over time
·While cement made of various materials has existed in some form or another as early as 3000 BCE the modern concrete we use today has only gained popularity in the United States within the last 150 years or so Ward s Castle an upscale home built in 1875 in Port Chester New York was constructed using concrete but was designed as to
·Chainsaws can be used for felling limbing bucking pruning or pollarding trees and to obtain firewood or furniture wood Some types of chainsaws can also cut ice stone concrete metals and
·But combining a mortar with an aggregate like brick to make concrete was likely a Roman invention Perucchio says In the earliest concretes Romans mined ash from a variety of ancient volcanic
·Who invented reinforced concrete In the 16th century a German found out that mixing volcanic ash called trass with lime mortar led to strong water resistant material Years later this led the French and the British to use this recipe on buildings and in 1793 John Smeaton was tasked to build a new lighthouse
The use of concrete in Ireland can be traced as far back as 1850 in the foundations of a bridge crossing the River Glyde in Dundalk As the benefits of this material were realised concrete was increasingly used as a solution to construction problems Other examples of milestones in Irish concrete use are the Dublin Port extension built from
·Concrete has helped communities and civilizations innovate and prosper for thousands of years Many of the most significant infrastructure developments that shaped the Western world like the invention of the Hoover Dam were built with concrete and cement
·Aspdin managed to invent his own cement mixture named Portland cement after Isle of Portland Like the term Roman cement the name Portland cement became a marketing scheme But Joseph Aspdin s son William was the con man Young William left Leeds to find his own way in London During this time there was a common