外贸询盘 X075(全屋定制)
外贸询盘 X075(全屋定制)

轻钢别墅为何突然大行其道?

近段时间,一段“不要再买房了,30万的别墅都出来了”视频刷爆朋友圈,引发大小媒体平台纷纷转载;据不完全统计,定荣家的这段视频吸引网络转发上万次,阅读量累积达亿次以上,是什么样的稀奇事能这样迅速传遍大街小巷并以病毒的态势广为传播?体现当前人们对住房信息高度关注的同时,小编也对定荣家轻钢别墅作了一个深入的了解。

轻钢建筑进入中国半个世纪,一直没有表现出良好的发展势头;但2017年以来,留心的朋友却发现身边突然不声不响冒出了许多靓丽的轻钢别墅的身影;为什么一直不温不火的轻钢建筑行业突然猛得刷起了存在感?为什么轻钢别墅能够席卷全国?

轻钢建筑为什么在中国没有得到广泛应用?

1、钢铁产能无法满足当时的国情

轻钢房屋于六七十年代就已进入中国,但当时新中国成立时间尚短,钢铁产能有限,中国工业及军工都尚且无法满足需求,没有多余的钢铁应用于国民生产生活当中。

2、不具性价比

六七十年代,自建房以土砖以及粘土窑砖为主,建房通常就地取材;砖瓦自主烧制,取材方便,成本低廉,且当时国内拥有大量的廉价劳动力,建筑综合成本低,符合当时的社会环境。物以稀为贵,稀缺的钢铁资源无法保障大量供给,轻钢建筑当时不具性价比。

轻钢建筑为什么开始被接受?

1、钢铁产能过剩,供给侧结构性改革推进

随着中国经济飞速发展,钢铁产能节节攀升,数据显示,2013年我国粗钢产量为7.79亿吨,占到全球产量的48.5%,位居世界第一。2015年中国钢铁工业协会数据显示,全国钢企主营业务亏损超过600亿元,外加汇兑损失大幅增加,钢铁行业陷入全面亏损境地,钢铁进入白菜价时代。

2、环保压力

人类生存的最基本的需求就是环境资源,包括空气、水、土地,由此衍生出的衣、食、住、行所需的上游原材保障着人类的生存、社会的发展。随着工业化与城市化率快速发展,环境污染日趋严重,环保开始得到国家及全民重视;人们开始意识到以破坏环境为代价换取的社会发展不可持续,且治理、恢复环境所付出的代价呈几何倍增加。工信部统计数据显示,2012年我国产生建筑垃圾15亿吨,需填埋用地37.5万亩,相当于38个西湖,由此产生的空气,水,土壤等污染严重。另外,由于我国混凝土建筑平均寿命只有30年,还会带来巨大的资源浪费。大量生产,大量消费,大量废弃的传统建筑模式已经不符合当前的发展需要。而轻钢建筑回收利用率达90%以上,极大地减少了资源浪费及环境污染的问题,是真正的绿色建筑,符合可持续发展战略。

3、国家政策推动

2006年《国务院关于加强节能工作的决定》,强调关停砖瓦厂。

2010年4月17日,住房和城乡建设部颁布《轻型钢结构住宅技术规程》JGJ209,该规程全面系统地规定了轻型钢结构住宅建筑的功能和性能,制定了轻型钢结构住宅的材料标准、设计施工和验收技术要求、以及使用和维护的规范管理原则。

2011年,《“十二五”节能减排综合性工作方案》中一系列强调节能环保建筑的文件,多地政府出台补贴政策。

2015年11月4日,国务院常务会议强调绿色建材,提及钢结构建筑试点。

2015年11月14日,住建部《建筑产业现代化发展纲要》明确提出,2020年,装配式建筑占新建建筑的比例20%以上;

2025年,装配式建筑占新建建筑的比例50%以上;

2016年,“十八大”最终确定2025年,装配式建筑占新建建筑的比例30%以上。

2017年,湖南省住建厅制定了2020年装配式建筑在新建房屋里的占比达30%的目标;

环保压力下的原材料价格上涨

随着环保政策的实行,砖瓦厂关停、河沙限捞、水泥钢材限产及去产能化,建筑上游原材料供需关系开始转变;

红砖

2017年,往常2毛多一匹的红砖在海南部分地区甚至卖到了1块多一匹,大多地区4毛-6毛之间,许多地区甚至出现一砖难求的状况,综合各地差异来看,就红砖这一建筑中用得最多的材料一项,同比去年涨幅达40%-50%。

河沙

以湖南部分地区来说,建筑常用的河沙价格从去年的35-40元/方涨至120-130/方,对比2016年涨幅300%,加上地理位置、河沙产地、运输成本等因素,部分地区差异更大。

钢材

2016年以来,钢材价格逐步上涨,截至2017年9月5日,全国螺纹钢价格为4316元/吨,同比上涨63.67%。

随着建筑材料价格一路高涨,2017年年初与年尾自建房成本仅材料就增加35%-40%,加上工价近两年一直处于大幅上升的通道,意味着一栋300平的房子年初主体30多万能够建成现在要近40万元,砖混综合造价由800-1100元/平米涨至1100-1300元。

4、轻钢房屋的优异性能

隔声性能:60分贝

保温性能:采用双保温避免了墙体的“冷桥”现象,节能可达65%

舒适性:墙体采用高效节能体系,具有呼吸功能,可调节室内湿度

耐久性:结构龙骨采用美国G90标准的高强镀锌钢材

抗震性:轻钢结构骨架与内外维护板材通过镀锌自攻螺钉连接,形成了非常坚固的结构体系,这种结构体系有着更优越的抗地震和抵抗水平荷载的能力,让住户在不可预测的地震自然灾害面前安枕无忧。

抗风雪:轻钢结构整体性好,可承受1,55KN/m'以上的基本雪荷载,可抵御每秒70米以上的飓风。

防虫蚁:轻钢结构采用镀锌钢材,维护板材均不受白蚁等虫害的侵蚀,适合在各种地区建造,大幅度的降低了维护成本。

高效率:无论是生产、物流、安装和质控均为标准化,尤其凸显出高效率的优势。一般情况下一套房屋只需要30天便可完成,安装周期比传统建筑大大缩短。

可回收:轻钢主体可以实现100%回收,其他配套材料回收率也可达到85%,极大地减少了房屋更新换代时候的浪费情况,真正做到循环利用,绿色环保。

得房率:由于轻钢房屋墙体采用玻璃纤维棉填充,其墙体厚度只需要传统房屋的一半,即可达到优于传统房屋的保温隔热性能;极大地减少了结构占用面积,轻钢建筑得房率达90%以上,比砖混高10%,意味着一栋建筑面积300平米的房屋,砖混使用面积240平米,而轻钢建筑使用面积可达270平米,相比砖混多出30平米以上。

建筑造型:轻钢结构可以很容易实现各式各样的复杂造型,能够满足各种建筑风格的需求,高档次和多样化的建筑外观受到了用户们的极度好评。

综合轻钢建筑的特点,加上传统建筑的限制,轻钢建筑综合造价实际与砖混对比不相上下,用户选择轻钢建筑不但省时实力省心,拥有漂亮个性的外观造型,同时享受主体50年超长质保服务。

 

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