“想吃马兰头青团”通过精心收集,向本站投稿了6篇防止工程桩位移有哪些主要方法?,今天小编在这给大家整理后的防止工程桩位移有哪些主要方法?,我们一起来阅读吧!
- 目录
篇1:防止工程桩位移有哪些主要方法?
防止工程桩位移有哪些主要方法?
(1)严格桩基础施工定位:
桩位的放样允许偏差:群 桩:20mm;单排桩:10mm
打桩时严格按照放样进行定位,预制桩沉桩以前以及灌注桩成孔以前进行桩位复核,
(2)预制桩施工严格控制垂直度:预制桩沉桩时,严格控制垂直度,以防止桩顶偏位。场地不平整时,应对桩机垂直度进行调整,保持垂直,
(3)严格按照施工顺序进行工程桩施工
在软土地基进行桩基础施工时,由于施工顺序不当,会造成对已经施工完成的桩形成挤压,造成桩位偏移。
可以采用跳打法进行桩基础施工,采用跳打施工时,相邻桩的混凝土强度应达到60%以上;
(4)有序进行土方开挖
土方开挖顺序不当,开挖深度过大,土体的水平推力会造成桩顶位移。
土方开挖应有序进行,一次挖深不得过大。
土方机械开挖时,应防止挖掘机对桩体造成推挤。
篇2:防止工程桩内在缺陷有哪些主要方法?
防止工程桩内在缺陷有哪些主要方法?
(1)工程桩施工严格控制垂直度;
(2)严格按照施工顺序进行工程桩施工
灌注桩施工顺序不当时,由于土体的挤压,会对相邻的桩体造成影响,轻则颈缩,重则断桩
套管成孔灌注桩的施工对此影响尤其明显,
可以采用跳打法施工,采用跳打施工时,相邻桩的混凝土强度应达到60%以上;
(3)成孔完成后,及时清孔并进行覆盖
桩孔达到设计深度或持力层后,按照设计要求进行扩大头的施工,完成后要及时进行清孔;
桩孔应及时进行覆盖,以防止有虚土落入;
(4)钻孔完成并验收后及时进行混凝土浇筑;
清孔完成后,及时进行验收;放置钢筋笼;及时浇筑混凝土,以防止塌孔事故发生;
人工挖孔桩等干成孔的桩芯混凝土施工采用常规方法施工,采用振动棒振捣密实,
(5)混凝土搅拌与灌注基本要求:搅拌应控制材料质量与配比计量、坍落度;控制混凝土离析、浇筑厚度及振捣密实;灌注桩各工序应连续施工。钢筋笼放入泥浆后,4h 内必须灌注混凝土;灌注后,桩顶应高出设计标高0.50m 。灌注桩的实际浇筑混凝土量不得小于计算体积;混凝土取样:同一配比每班不得少于1组;灌注桩每50m3取一组,小于50m3的每根桩不得少于1组。
(6)水下混凝土浇筑质量控制
严格控制拌合物质量,应有良好的和易性,塌落度满足设计施工要求,防止导管堵塞,造成混凝土浇筑中断;确保混凝土的供应,避免应供料不及时影响工程桩水下混凝土的浇筑;严格控制导管提升速度,确保导管下口始终处于混凝土之中;提升导管时,应防止钢筋笼移位。
篇3:防止老掉牙方法是什么
看到很多老人,发现他们的嘴里都没有什么牙齿了,很多人都掉得很严重,还有就是我看我爷爷也是这样的,但是我奶奶的牙齿就很好,我不知道为什么都是老人,牙齿怎么差别这么大呢?我想知道的就是这个如何去防止牙齿脱落呢,这样老了也能有好牙齿。
近代生理学研究揭示,恒牙应当伴人一生,老年人牙齿缺失不是生理的必然。
老年人由于牙齿周围肌肉发生萎缩、牙齿磨损严重等,易发生龋病和牙周病,科学研究表明,这是造成老年人易掉牙、牙齿缺失率高的主要因素。因此,老年人除应积极治疗牙病,选择合适的牙膏、牙刷及正确刷牙外,还要坚持固齿活动。如叩齿:每日早晚空口时,上下牙齿反复撞击各200次;按摩牙龈:在牙齿无软垢、牙结石、炎症的情况下,漱口后用洗净的食指或拇指轻轻按摩牙龈,每日三次,最好在饭后进行,每次上下10?15次。也可将大蒜头洗净捣烂,加少许水调成糊状,敷在牙龈上,每次约10分钟,或用带辣味的鲜萝卜代替,既有杀菌消毒、保护牙床、预防牙周病的作用,又能促进牙龈的再生。
此外,平时少用牙签剔牙,用浓茶漱口自然脱去残留在齿缝里的食屑。这些措施可有效地防止人老掉牙。
上面的就是给出的建议,拥有一口好的牙齿,其实是在年轻的时候保养的,因为牙齿的寿命是有规律的,保养得好,以后也会牢固一些,不容易脱落。值得注意的就是,牙齿不要老是去医学洗牙,这样很容易给牙齿带来伤害。顺其自然就好。
篇4:水平位移观测方法都有哪些?
水平位移观测方法都有哪些?
水平位移观测可根据需要与现场条件选用下列方法:
(1)测量地面观测点在特定方向的位移时,可选用下列几种基准线法,
①视准线法(包括小角法和活动觇牌法)。
②激光准直法。
③测边角法,
主要用于地下管线的观测。
④采用基准线法测定绝对位移时,应在基准线两端各自向外的延长线上,埋设基准点或按检核方向线法埋设4~5个检核点。
(2)测量观测点任意方向位移时,可视观测点的分布情况,采用前方交会法或方向差交会法、导线测量法或近景摄影测量等方法。单个建筑物亦可采用直接量测位移分量的方向线法,在建筑物纵、横轴线的相邻延长线上设置固定方向线,定期测出基础的纵向位移和横向位移。
(3) 对于观测内容较多的大测区或观测点远离稳定地区的测区,宜采用三角、三边、边角测量与基准线法相结合的综合测量方法或GPS测量方法。
篇5:防止乱花钱的方法
防止乱花钱的方法
Being an under-buyer, as opposed to an over-buyer, I don't generally have much trouble avoiding overspending. I have more trouble prodding1 myself to make the effort to buy things I actually need.
身为一个“少买”而不是“多买”的人,我很容易制止自己乱花钱。我的问题在于如何说服自己去买该买的东西。
Nevertheless, even with my under-buying ways, I sometimes come home with something I didn't really need to buy. Stores use extremely clever strategies to winkle customers into making purchases. Here are some strategies to make sure you don't make purchases you regret:
然而,即便像我这种“少买”的人,有时还是会买回一些不需要的。商店采用极其聪明的手段引诱顾客购买。下面这些方法能让你买了东西不至于后悔:
1. Be wary2 of the check-out areas. There are lots of enticing3 little items here; ask yourself if you really need something before you add it to your pile. How many times have I picked up a jar of Balmex?
留心收银台区,那里有许多诱人的小商品。在把它扔进购物车之前,问一问自己是不是确实需要这件东西。有多少次我拿起了一罐Balmex尿片?
2. Get in and get out. The more time you spend in a store, the more you're likely to buy. Even better: don't even go in the store. Then you definitely won't buy.
速战速决。你在商店花的时间越多,买的就越多。最好连去都不要去,这样你就不会买了。
3. Question the need for an upgrade. You might want that device with a slick new function, or to get the improved version of what you have now, but do you really need it?
对“升级”的需要提出质疑。你想买那个有花俏新功能的东西,或者用升级版替换掉你现有的那个,但是,你真的需要吗?
4. Be polite to salespeople4, but don't feel like they're your new best friends. Don't buy something because you're worried about hurting their feelings or having made them do a lot of work helping5 you or explaining products to you. (At the same time, be respectful of clerks' efforts. The other day, I was in Gap Kids, and I saw someone rifle through a pile of beautifully stacked shirts in a way that meant that they'd all have to be re-folded. Was he malicious6 or oblivious7? I couldn't tell.)
对销售人员要礼貌,但别把他们当成你新结识的最要好的朋友。不要因为担心伤害到他们的感情而去购买,也别因为他们的努力帮助或解说就非得买某样东西。(同时,还是要对店员的努力表示尊重。几天前,我在Gap Kids,发现有个人把一堆叠得整整齐齐的衬衫翻得乱七八糟,弄得每件都要重新叠过。他是恶作剧还是不自觉? 我不知道。)
5. Don't shop when you're in a hurry or when you're hungry.
不要在匆忙或饥饿的时候购物。
6. Stick to a list. I've found that after I've decided8 to buy one thing, I'm far more likely to throw in other impulse items, because I know that I'm committed to going through the hassle of paying.
严格遵循购物单。我发现在决定了要买一件东西后,总容易一时冲动买其它商品,因为我知道不管买多少,付款的繁琐都是免不了的。
7. Beware of sale items, which make you feel like you can't afford not to buy, or limited-time offers, which make you feel like you have to take advantage of a special deal. If you don't need or want something, it's not a good deal, not matter how cheap it is. A friend of mine told her husband, “I got this 50% off!” and he answered, “That means it was 50% ON.” Along the same lines…
当心促销品,它们让你感到自己不能不买。也要当心限时优惠,这会让你感到占了便宜。如果你不需要或不想要某样东西,不论价格多么便宜也别买,这不是一笔好买卖。我的一位朋友告诉它的丈夫:“我五折买下的这件东西!”她的丈夫回答:“那说明原来卖贵了一倍。”同理......
8. Don't buy anything that you don't know you need – this is especially important with clothes. If you're not careful, you can buy a pair of pants marked down 75%, then realize that you can't really wear them unless you buy the right shoes to go with them.
不要买自己都不知道是否需要的东西,尤其是衣服。如果你不小心,你可能会买下一条标价2.5折的裤子,随后发现只有再买一双鞋和它搭配,否则根本穿不了。
9. Choose cash or credit card. Some people find it far harder to spend actual physical cash; other people find that paying cash makes a purchase seem trivial, even when the dollar amount is high. Know whether you're more inclined to overspend with cash or credit cards – and leave that payment method at home.
选择用现金或信用卡。有的人购物时,如果是付现金,就觉得不舍得买了;而有的人相反,花现金让他/她感觉买东西只是小事情,不管那东西有多贵。知道是现金还是信用卡更容易让自己乱花钱,然后,将那个付款法收起来。
扩展:到底什么是快乐?
As someone who writes about happiness, I'm often challenged to answer these three questions:
作为一个写有关“快乐”的文章的人,我通常被问到下面的3个问题:
1. How do I define “happiness,” anyway?
我到底是如何定义“快乐”?
2. Instead of happiness, which is fleeting/deceptive/egotistical/illusory, isn't the real goal to achieve joy/contentment/satisfaction/peace/self-realization or [fill in the blank]?
与其追求“快乐”这种短暂的/骗人的/自私性的/虚幻的东西,难道我们不该追求愉快/满足/满意/平和/自我实现或其他什么吗?
3. How can we agree on what it means to achieve these states? What I mean by happiness might not be what you mean by happiness. You say happiness is a warm puppy; I say happiness is living alone in a cabin at Walden Pond; etc.
对于我们而言,实现这些状态意味着什么呢? 我对快乐的定义和你的不一样。你说快乐是一只温暖的小狗;我说快乐是独自住在Walden Pond的一间小木屋里面;等等。
In law school, we spent an entire semester discussing the meaning of a “contract,” and I know all too well how a term can elude1 you as you try to define it. For the purposes of my happiness project, I decided2 not to worry about definitions too much. In scholarship, there's merit in defining terms precisely3, and one positive psychology4 study identified fifteen different academic definitions of happiness, but when it came to my project, spending a lot of energy exploring the distinctions among “contentment,” “positive affect,” “subjective5 well-being,” “hedonic tone,” and a myriad6 of other terms didn't seem necessary. I decided instead to follow the hallowed tradition set by Supreme7 Court Justice Potter Stewart, who defined obscenity by saying, “I know it when I see it.”
在法学院,我们花了一整个学期讨论“合同”的定义,我很了解,越想定义一个术语,越难以抓住这个术语的含义。为了我的快乐计划,我决定不去考虑定义。在学术方面,准确定义术语是有价值的,有一个积极的心理学研究为快乐找出了十五种不同的学术定义,但是在我的计划里,似乎没有必要花很多精力探讨“自足”、“积极影响”、“主观幸福”、“享乐情调”等无数个其它术语之间的区别。相反,我决定追寻最高法院大法官波特斯图尔特的神圣传统——他用一句“当我看到它就会认出它”的话定义猥亵。
I think it's enough to think about being “happier.” Even if we don't agree about what it means to be happy, we can agree that whatever happiness means, it would be nice to be happier. I think the looseness of the term happiness is actually helpful; it's a concept large enough to embrace many different perspectives.
我认为考虑“更快乐”就足够了。即便我们对“快乐”的定义不一致,但我们认同不论快乐是什么,能“更快乐”就好。我认为快乐这个术语的的定义应该很松散,这个概念太大,足以包含许多不同看法。
I suspect that one reason that people try to avoid using the word “happiness” is that happiness has a bad reputation. It's often associated with superficiality, self-absorption, narcissism8, and pleasure-seeking. (As in Woody Allen's movie Annie Hall, when Alvy asks a happy couple how they account for their happiness, and the woman answers, “I am very shallow and empty, and I have no ideas and nothing interesting to say,” and the man agrees, “I'm exactly the same way.”)
我怀疑人们在回避用“快乐”这个词的原因是“快乐”的名声不好。它往往和浅薄、自我沉迷、自恋和享乐相关。(正如在Woody Allen的电影Annie Hall中一样,当Alvy问一对快乐的男女如何解释快乐,女的说:“我很浅薄、空洞,我没看法,我说不出什么有意思的东西。男的附和:“我也正是如此。”)
In fact, however, studies show that happiness doesn't make people complacent9 or self-centered. Rather, happier people are more likely to volunteer, to give away money, to persist in problem-solving, to help others, and to be friendly.
实际上,研究表明快乐并没有让人们自满或以自我为中心。更快乐的人更有可能做自愿者、捐钱、对解决问题坚持不懈、帮助别人及友善。
One study showed that, all over the world, when asked what they want most from life — and what they most want for their children – people answered that they want happiness. I know when I feel happy. Trying to be happier – that's good enough for me, without a precise definition.
一项研究表明,在世界各地,当问及人们在生活中最希望得到什么,最希望他们的孩子得到什么的时候,人们回答是“快乐”。但我快乐的时候,我知道快乐是什么。努力更快乐——这对我来说足够了,不需要一个精确的定义。
篇6:防止抑郁的方法是什么
抑郁症是比较常见的一种心理疾病问题,对我们的生活以及工作灯都会产生不利的影响,而且不管是那些人群,都可能会患上抑郁症,所以想要减少抑郁问题造成的影响和伤害,那么肯定就需要了解一些放置的方法,下面推荐的这些防止抑郁的方法是比较有效地,希望大家可以注重。
消除抑郁的方法
(1)必须遵守生活秩序。与人约合要准时到达,饮食休闲要按部就班,从稳定规律的生活中领会自身的情趣。
(2)下班后泡泡热水澡,与家人、朋友聊天。
(3)即使在抑郁状态下,也绝不放弃自己的学习参工作。
(4)不得强压怒气,对人对事要立定大度。
(5)主动吸收新知识,“活到老学到老”。
(6)多与人交流,尤其多交乐观活泼的同事、朋友。
(7)即使是小事,即使心情烦闷,言行也要合乎情理。
(8)对待他人的态度要因人而异。具有抑郁心情的人,对外界每个人的反应、态度几手相同,这是不对的。如果有抑郁这种倾向,应尽快纠正。
因为现在很多人在生活中,都会面对比较忙碌紧张的工作,所以有的时候心情还有情绪都会受到比较大的影响,要是自己调节不过来的话,就容易出现抑郁或者是其他的问题,所以为了健康,大家可以尝试这样的预防方法。
★ 防止溺水作文
★ 防止校园欺凌作文
防止工程桩位移有哪些主要方法?(整理6篇)




