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                  是云南昆明地區電纜橋架、玻璃鋼橋架、各種母線槽等產品的頂級橋架廠商,我們歡迎各位領導前來考察!
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                  電纜橋架的選擇

                  作者: 來源: 日期:2022/7/3 20:36:47

                       隨著云南經濟的快速發展,許多電纜安裝也越來越先進,云南橋架是技術創新的產品,已經受到許多建筑材料供應商的喜愛,許多項目將被使用。然而,許多人在購買電纜橋時有很多問題,不知道使用什么規格和型號,往往是大材料和小用途,導致成本的增加。以下介紹了電纜橋架的購買知識:昆明橋架.jpg

                         首先電纜橋架結構的選擇我們經常在工程規劃文件中稱電纜橋為橋,但沒有具體指出其類型和結構特點,因為不同的結構、標準和原材料橋價格距離較大,收購人員盲目購買,形成成本增加可能不適用于一系列問題。因此,規劃訂單應要求規劃師根據施工環境和技能要求,標明橋梁的結構和類型,合理選擇電纜橋架。

                      其次云南電纜橋架材料選擇。電纜橋的原材料是橋梁工程中的另一個常見問題。根據橋梁數據,可分為鋼電纜橋、FRP電纜橋、鋁合金電纜橋等。鋁合金橋重量輕,因為鋼和鋁的比例不同(AI=2.7,Fe=7.86)份額約為3:1。鋁合金橋架外形和荷載性與鋼質橋架根本附近,不過費用方面鋁合金橋架會比鍍鋅鋼制橋架造假要高20%,而且使用壽命是鋼制電纜橋架的5倍以上。FRP橋架重量輕,比例為碳鋼的1/4,使用壽命長,但價格是鋼橋架的3倍。切割方便、組裝靈敏、設備無火災是施工優勢。

                        再次電纜橋架表面防腐類別選擇。工程規劃中常見的問題3:電纜橋的類型沒有標明防腐層的類別,也沒有一致的文本。根據外觀防腐層的類別,電纜橋主要包括熱浸鋅、冷鍍鋅、粉末靜電噴涂等。冷鍍鋅適用于一些輕腐蝕環境,成本較低。熱浸鋅適用于室外環境的重腐蝕,但成本較高。粉末噴涂塑料適用于無聊的室內環境,價格一般。規劃師可根據工程環境選擇外觀防護層的類別。

                  第四電纜橋架防火等級選擇。電纜橋架在有防火要求的環境安裝過程中,可在橋架及其支架表面涂防火涂料,或在橋架、托盤中加入耐火或低燃燒性能的隔板、網等材料,形成封閉或半封閉的結構。橋梁的整體耐火性應符合國家有關規范或標準的要求。鋁合金橋不應用于防火要求高的工程中。防火橋比鋼橋稍貴,使用壽命是鋼橋的3倍以上,重量與鋼橋基本相同。

                  第五選擇電纜橋架填充率。電纜橋架、托盤寬度和高度的選擇應符合填充率的要求。一般情況下,電的價格上漲和托盤中的填充率可以為40%-50%,控制電纜可以為50%-70%,項目余量應保留10%-25%。

                  第六選擇電纜橋架的規格尺寸。在實際工程中,電纜橋架的標準尺度選擇要么過大,要么嚴重。如何合理選擇電纜橋架的標準尺度?根據《民用建筑電氣設計規范》電纜總截面與托盤橫斷面積的比例,電力電纜不得超過40%;控制電纜不得超過50%

                  第七電纜橋架荷載等級的選擇。在選擇橋梁荷載等級時,如果橋梁支架的實際跨度不等于2,選電纜橋梁荷載等級的額外平均分布荷載。如果橋梁支架的實際跨度不等于2m工作均布荷載應符合要求。

                  以上是對電纜橋架采購方法的介紹。在購買電纜橋架時,必須選擇能夠出示相關橋架試驗報告的,以便在工程質量方面相對更有保障。昆明金屬橋架.jpg

                  With the rapid development of Yunnan economy, many cable installation is more and more advanced, Yunnan bridge is a product of technological innovation, has been favored by many building material suppliers, many projects will be used. However, many people have a lot of problems when buying cable Bridges, do not know what specifications and models to use, often are large materials and small uses, resulting in an increase in cost. The following introduces the purchase knowledge of cable bridge:

                  First of all, the choice of cable bridge structure we often call cable bridge bridge in engineering planning documents, but do not specify its type and structural characteristics, because different structures, standards and raw material bridge price distance is large, the acquisition of blind purchase, the formation of cost increase may not apply to a series of problems. Therefore, the planning order should require the planner to indicate the structure and type of the bridge and rationally select the cable tray according to the construction environment and skill requirements.

                  Secondly, yunnan cable bridge material selection. The raw material of cable bridge is another common problem in bridge engineering. According to the bridge data, it can be divided into steel cable bridge, FRP cable bridge, aluminum alloy cable bridge, etc. Aluminum Bridges are light because the ratio of steel to aluminum is different (AI=2.7,Fe=7.86) and the ratio is about 3:1. The shape and load of aluminum alloy bridge and steel bridge are near, but the cost of aluminum alloy bridge will be 20% higher than galvanized steel bridge, and the service life is more than 5 times that of steel cable bridge. FRP Bridges are light in weight, 1/4 of the proportion of carbon steel, and have a long service life, but the price is three times that of steel Bridges. Convenient cutting, sensitive assembly, no fire equipment is the construction advantage.

                  Again, the cable tray surface anti-corrosion category selection. Common problem 3 in engineering planning: the type of cable bridge does not indicate the category of anticorrosion layer, and there is no consistent text. According to the category of appearance anticorrosive layer, cable bridge mainly includes hot dip zinc, cold galvanized, powder electrostatic spraying, etc. Cold galvanizing is suitable for some light corrosive environments with low cost. Hot dip zinc is suitable for heavy corrosion in outdoor environment, but the cost is high. Powder-sprayed plastics are suitable for boring indoor environments at a modest price. The planner can choose the type of exterior protection layer according to the engineering environment.

                  The fourth cable bridge fire grade selection. In the installation process of cable bridge in an environment with fire protection requirements, fireproof coating can be applied to the surface of the bridge and its support, or refractory or low combustion performance partitions, nets and other materials can be added to the bridge and tray to form a closed or semi-closed structure. The overall fire resistance of the bridge should meet the requirements of relevant national codes or standards. Aluminum alloy Bridges should not be used in projects with high fire protection requirements. Fireproof bridge is slightly more expensive than steel bridge, the service life of steel bridge is more than 3 times, weight and steel bridge is basically the same.

                  The fifth choice cable bridge filling rate. The selection of width and height of cable tray and tray should meet the requirements of filling rate. In general, the price increase of electricity and the filling rate in the tray can be 40%-50%, the control cable can be 50%-70%, and the project allowance should be reserved for 10%-25%.

                  The sixth choice of cable tray size. In actual engineering, the standard scale selection of cable bridge is either too large or serious. How to choose the standard scale of cable tray reasonably? According to the "Code for Electrical Design of Civil Buildings", the proportion of the total cable section to the cross-sectional area of the tray shall not exceed 40%; Control cable shall not exceed 50%

                  The seventh cable bridge load grade selection. When selecting the bridge load grade, if the actual span of the bridge support is not equal to 2, the extra average distributed load of the cable bridge load grade is selected. If the actual span of the bridge support is not equal to 2m, the uniform working load should meet the requirements.

                  The above is an introduction to the procurement method of cable tray. When buying cable tray, you must choose to be able to show the relevant bridge test report, so as to be relatively more secure in terms of engineering quality.




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